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@Arpan

Joined 20 August 2020 · 46 posts

Bangladeshi | Studying in EEE (HSTU)

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@Arpan

Depression - Don't Commit Suicide ! Please ! Recently I have met a lot of people who are suffering from depression . Even , a friend of mine committed suicide because of depression . It negatively affects how you feel, the way you think and how you act. When a person is depressed , he (or she) loses interest in everything . He also loses ability to work properly . A depressed person lead a disorganized life . He don't sleep properly . Or sometimes he sleep too much . His appetite changes . As a result he loses weight . He always feel tired or lack of energy . He fails to take right decision on right time . **MOST DANGER THING HAPPENS WHEN HE TRY TO COMMIT SUICIDE .** How to control Depression : Yes , you can control depression if you really want to . Firstly , you should accept that depression is part of your life low . AS it is counterproductive , you must pretend to be okay all the time . Secondly , **Only spend time with those who value you most** . Those who don't care about you , don't bother with any of their words . Thirdly , take help from people who really worry about you . Spend time with your parents or beloved person . **Share everything with them** . No matter what , he will she will listen you . Finally & Most Importantly , **NEVER TRY TO COMMIT SUICIDE** Lots of people have been through depression and overcome it . **I hope that you will find a person who can understand you and realize whats going on .** Hope disappears when depression arrives . People live for hope . Don't loose your hope . **All the images are used from Unsplash .

@Arpan

How to Relieve Stress Problems in the family or at work, deterioration of relationships, economic crisis, poor health, and even the death of a loved one — these are just a few of the many reasons why we are under stress. This stress can cause a variety of physical risks. So it is important to reduce stress to keep yourself well. In order to reduce stress, you need to know the **causes of stress** in the beginning. Then you have to go deeper and solve the problem. Experts say do not try to solve stress alone. Get help from friends and family to control stress. If necessary, you can take the advice of a psychiatrist. **1. Exercise regularly:** Exercise reduces the release of stress hormones. Increases the levels of endorphins known as happy hormones. So no matter how busy you are, try to take some time out to exercise. If you don't have time to go to the gym to exercise, walk for at least 30 minutes. That will also work to reduce stress. 2. Sleep : Sleep helps keep the body fresh. Create a specific routine of going to bed and waking up. Regular seven to eight hours of sleep helps reduce stress. 3. Eat properly : Many people may be reluctant to eat if they are under stress. Remember, not eating will not reduce stress or problems, but food will keep your body functioning and help you take steps to relieve stress. Drink enough water at this time. Reduce taking caffeine . Have a good breakfast. Eat at least six meals a day. Eat wheat bread, pasta etc. Eat foods rich in vitamin A and magnesium. Eat foods rich in green tea and antioxidants as well. 4. Learn to relax : It is important to keep the body and mind relaxed during stress. The cause of stress will not go away easily. It will take time to get away. So it is important to keep calm at this time. Listen to light music to keep your mind relaxed. And you can take a bath to keep the body relaxed. Go to a parlor or salon and get a massage that can reduce stress. 5. Keep a diary : You may never have written a diary. However, at this time try to write something in a notepad or diary. Write in your diary what is bothering you, what is causing you stress. Also write down what you want or what you would like to do. This diary writing habit will help you a lot to reduce stress. 6. Do yoga exercises and meditation : You can meditate to reduce stress. Deep breathing exercises during meditation relax the body. Meditation will help boost confidence. You can also do yoga to reduce stress. 7. Do the things you love : Maybe you learned music or drew as a child. After growing up, these are no longer done due to work pressure or various troubles of the world. Resume these hobbies during times of stress and give yourself time through the tasks. 8. Avoid negative thoughts : Bad thoughts may not always be avoided. But try to think positive. Think positively about what you want. It will help you relieve stress. 9. Re-arrange yourself : Set goals for yourself and adjust yourself accordingly. Bring lifestyle into a routine. Schedule a time for eating, sleeping, working, and doing whatever you like. 10. Not everything changes : Maybe the death of someone very close has made you fragile or something has hurt you so much that it is becoming difficult to bear the pressure. Think it's possible to bring back the past or fix it? If the answer is no, stop thinking about it. Because it is not possible to change everything. And not everything is in our hands. 11. Talk to a close friend : Talk to a close friend about the cause of the stress. Tell a friend to help you. But don't tell a friend who doesn't understand you or makes fun of you at some point. 12. Talk to yourself : Above all, talk to yourself. What issues are putting you under stress? What if the pressure was less? What is the current situation? Think about what you can do about it. **Make a list of what you need to do to relieve stress. Sort the list according to your needs and take action according to that list. Practicing these steps will help relieve stress.**

@Arpan

Unknown & Wonderful Facts About Human Body The human body is one of the most complex body circular organizations. There is no end to our speculations about this human body. Every organ of the human body has been studied for ages. And research is constantly coming out with a variety of surprising information. Our idea is that we know everything about our bodies. But there is a lot unknown. There are some amazing facts about our body that you may be surprised to know. **1. The number of bacteria in a person's mouth is equal to or greater than the total number of people in the world.** **2. The speed of the brain pulse is about 400 kilometers per hour.** **3. Our brain undergoes 100,000 chemical reactions every second.** **4. Your sneeze speed is 160 km per hour.** **5. Our heart beats 35 million times a year.** **6. A person consumes an average of about 35 tons of food in his lifetime.** **7. The human body loses about one million skin cells every day, amounting to 2 kilograms a year.** **8. In just one day, our blood 'runs' a distance of 19312 km.** **9. Boys have less taste buds on the surface of the tongue than girls.** **10. The most powerful muscle in the human body is the tongue.** **11. Our ears continue to grow at an incredible pace throughout life. The ear grows a quarter of a millimeter per year.** **12. Our idea is that there are four types of blood in our body. In fact, there are 29 blood types. The rarest of them is the Bombay sub-type.** **13. The human eye can distinguish between different colors up to 10 million . But our brains can't remember all of it.** **14. A person breathes about 20,000 times a day.**

@Arpan

Home Remedies for Cough The common ailments of winter are cold, fever and cough. Colds and fevers get better quickly, but coughs do not get better easily. We have been suffering from this problem for a long time. It can be seen that it remains for 2/3 weeks. However, in many cases cough is also caused by allergies, asthma, dry weather and smoking. Anti-biotic drugs should not be taken in a hurry if you have a cough. Cough can be cured by following some home remedies. Let's find out why cough occurs and how to get rid of it at home. **Causes of cough:** Cough occurs for various reasons. Cough is often caused by lung infections, pneumonia, tuberculosis, etc. In this case, the cough persists for a long time and the chest becomes sore. There are various other problems including shortness of breath. In that case, you must take the advice of a doctor. There are also many other reasons for coughing. For example, sinus problems can cause chronic cough due to inflammation of the nose. Coughing is also caused by smoking. In this case, the medicine will not be of any use if you do not smoke. Smokers have a smoker cough. Coughing occurs because tobacco constantly obstructs the respiratory membranes. So if you have a whooping cough, don't smoke at all. **Home Remedies for Cough:** **1. Honey:** There is no pair of honey as a home remedy for cough relief. Honey helps to reduce cough and phlegm. Sometimes honey works better than medicine. Although honey is the ideal medicine for cough or cold, it should not be fed to children below one year of age. ****How to use:**** **A.** A mixture of 2 tablespoons of honey, half a lemon juice and a little ginger juice in a glass of lukewarm water should be taken 1/2 times daily. This mixture controls cough and sore throat. **B.** Mix 2 tablespoons of honey with hot milk and drink it. Drinking regularly before going to bed at night will relieve cough. **C.** Eating 1 tablespoon of honey 3 times a day will also control cough. **D.** Mix 1 teaspoon of chilli powder and 1 tablespoon of honey in a glass of lukewarm water. Taking twice a day will cure cough. **2. Basak leaves:** Basak leaves are boiled in water, the water is filtered and the cough is relieved by taking in the lukewarm condition. Drink this water daily in the morning. Basak leaf juice is good to drink every evening. Impressive results are obtained in 2-3 days. You can mix a little sugar with the juice to reduce the bitterness. **3. Basil leaves:** Make a mixture by crushing the basil leaves and mixing a few drops of honey in it. Cough will be cured if you take this mixture 2/3 times daily. **4. Ginger:** Ginger should be cut into small pieces and mixed with salt and eaten after a while. This method is quite effective in relieving cough. Moreover, even if you drink ginger tea, you will get benefit from cough. **5. Mixture of turmeric in hot milk:** Heat the milk and mix a little turmeric in it. This turmeric mixed milk is quite beneficial in relieving cough. Turmeric helps us to get rid of colds and coughs. **6. Cloves:** If you have a cough, put a clove in your mouth and occasionally squeeze out the juice with a little pressure and swallow it. Clove juice will soothe the throat and remove germs. **7. Menthol Candy:** Menthol candy or chocolate is good for cough. These candies can soften hard phlegm and get rid of phlegm from the throat and reduce cough. **8. Gargling:** Gargling reduces cough and sore throat. Mix half a teaspoon of salt in a glass of lukewarm water and gargle for 10/15 minutes. Do it several times with breaks. This is a very effective home remedy to reduce cough. Also if you have a cough try to drink hot water instead of cold water. If you have a cough, take a bath in hot water. It flushes out the cough germs from the body. **If the cough does not go away even after following these procedures, then you must seek the help of a doctor.** **If you like this article , please subscribe me & get more health tips and other useful article .** **Thank You**

@Arpan

What to do if mobile phone gets wet in water This article is for those who don't use a waterproof mobile phone . We may not know much about what to do if a mobile phone suddenly gets wet in the water. However, if known, the phone can be protected from damage. Let's know what to do if your mobile phone gets wet in water. 1. If the phone gets wet in rain water, clean and remove the water first. The more fluid the phone has, the sooner the various parts of the phone will be damaged. If you stay for a long time, it can become a short circuit. This deletes all the data on the phone. 2. Wipe well before starting the phone. Remove everything inside the phone, i.e. battery, SIM card, memory card soon. Wipe the exposed parts of the phone with a dry cloth and wrap the cloth. You will see that there will be no damage to the phone. Wipe the inside of the phone well with a thin cloth. 3. Also take out the SIM card. Then wipe the inside of the phone well. Then insert the SIM card. 4. If the phone has a screen guard, remove it . 5. Do not apply hair dryer on the phone by mistake. The hot air in the hair dryer can melt the inner parts. 6. Then leave the phone in the sun for a while. If there is little water left somewhere, it will dry out if left in the sun. 7. Do not charge the phone for 24 hours. It should be kept in rice or in silica gel for 24 to 48 hours. **If your phone still does not turn on, take the phone to the service center. Even if the phone falls into the water, it can be repaired in the same way.**

@Arpan

Brain VS Heart **Emotion and Conscience** are two small words, but their scope is wide. Emotion and conscience are more or less present in the life of every human being. Defining emotion is not very easy. Many take emotion as a synonym for feeling. But emotions are mental, and feelings are both physical and mental. Physically speaking, emotions or feelings are the underlying changes in the body due to smooth muscles and different glands. The part of consciousness as a whole that is directly related to feeling and sensitivity is called emotion. Unbeknownst to man, emotions enter at lightning speed. There may be emotions but it is bad for life to be extra. In some cases emotion acts as the power of the mind. Controlling emotions is harder than a face-to-face battle. Emotions that keep people away from reality are: **excessive love, frustration, anger, jealousy, greed** etc. Emotion is more than someone else. It is not right to do anything under the influence of emotions, but people are attracted to emotions. This leads to mental instability. Emotions lead to instability which leads to **anger** along with **emotional turmoil**. Whose end result is ominous or negativity . There are innumerable types of emotions including happiness, fear, anger, sadness, suffering and pain in different people. According to a study by a team of scientists at the **University of Leuven in Belgium,** published in the journal **Motivation and Emotion**, any human emotion lasts 240 times longer than any other emotion. The ability to control emotions is not the same for everyone. It is to control its emotions with the introduction of knowledge. Writer **Humayun Ahmed** says of women’s emotions, ‘Young girls’ emotions suddenly go away. If you do not give air to the emotion. Emotion is an airy thing, it grows as soon as it gets air. Doesn't lead to anything else. Strategies for controlling emotions can vary from person to person. The more reality a person faces, the more problems he can solve. Because conscience is guided by the light of reality. Problems are more likely to be created with emotion and the way to solve problems and success is more with conscience in terms of reality. Japanese researcher **Professor Hirotaka Osaosa** invented the **Cyborg Glass**. It looks like glasses. A person can control all his emotions by looking at it. **Emotion leads to action and conscience leads to conclusion.** Controlled emotions and a healthy conscience can guide you in the right direction. Success does not come with emotion alone. Make it a habit to avoid negative aspects. Emotions could not be controlled, despite many attempts. Or recite the **Quran** or listen to the recitation when you are distracted by something. Think of a solution to any of the problems behind it. Sigh. Sit a little in the open air. Try to remember all the things that you have succeeded in the past. Besides, in order to form a good character, it is necessary to read the books with good features first and give them proper company . **Reading books is an excellent way to relieve mental turmoil and frustration.** However, there are some books that increase mental turmoil, frustration and emotion when read, those books are always discarded. For those who are mentally weak, it is possible to make heinous decisions like **running away from home** and **committing suicide**. The emotions of the mind must be controlled in all situations. **Excessive emotion is the biggest obstacle** in the way of making the right decision. There are many opinions as to whether it is harmful or excessive. Emotion is better where it is needed. Emotion is our absolute friend and never our absolute enemy. People grow up with both positive and negative emotions. Emotions need to be controlled through conscience to be successful according to the plan.

@Arpan

Tabla - Indian Drums Tabla is a kind of Indian musical instrument used in music. It was once known as Talmridang. It is also called a tankarayantra because it is played by the finger. According to popular belief, in the thirteenth to fourteenth centuries, Amir Khasru broke the mridang and invented the tabla. The purpose is to maintain rhythm or time-adjustment (dimension) in the performance of music. The instrument consists of two parts, the tabla and the baya (related to left), together known as the tabla. The tabla (dyna) is usually played in the right hand and the baya (dugi) in the left hand. It is essential for playing music and harmony. Tabla shell made of wood, height 9-12 inches. Its structure is gradually narrowed upwards. Usually the upper diameter is 5/6 inch and the lower diameter is up to 8/10 inch. The shell is covered with a leather canopy and a thick round black coating is given in the middle of the canopy. It is called gab, sahi or khiran. The left shell is made of copper, brass or clay. It is also called pot or kuri. The upper left diameter is larger than the lower, usually 10/12 inches . Like the tabla, the left baya is also covered with leather and has a gab. The tabla has a rope-covered with a leather-covered face, with which the tabla tone is softened. Finger tapping on its leathery edges maintains the height and lightness of the tone. During the playing, the tabla and the baya are placed on a cloth fence. The musician performs the instrument sitting or standing. It has to be tuned well before playing. Tabla bowl is known as Rela, Kaida, Gat, Aari, Kuari, Gatparan etc. There are different genres of tabla playing. Among them two Bengali gharanas are Bishnupur gharana and Dhaka gharana.

@Arpan

Acidity Problem - Solution Acidity is one of the most common problem around us . Not eating healthy food or not taking food on time can lead us to acidity . We should be more conscious from the beginning or it can turn into **Ulcer** . There are some foods that can remove acidity in a few days . **Ginger :** Ginger is the most effective food rich in anti-inflammatory ingredients. Ginger is able to solve gas problems, heartburn, digestive problems and acidity problems quickly. If you have flatulence and gas in your stomach, crush raw ginger and eat it with salt, you will find a quick solution to the gas problem. **Yogurt :** Yogurt contains a variety of beneficial bacteria such as Lactobacillus, Acidophilus and Bifidus. All of these beneficial bacteria help digest food faster as well as destroy bad bacteria. So eating yogurt improves digestion and reduces gas. This is why eating yogurt after a meal is quite effective. **Cucumber :** Cucumber is a very effective food to keep the stomach cool. Chewing raw cucumber plays a big role in digestion. This is because it contains flavonoids and anti-inflammatory ingredients that reduce flatulence. Moreover, it contains a lot of silica and vitamin C. For those who want to lose weight, cucumber serves as an ideal tonic. Moreover, regular consumption of cucumber eliminates long-term constipation. **Papaya :** Papaya contains an enzyme called papain which increases digestion. So if you eat papaya regularly, the problem of gas will be reduced. **Pineapple :** Pineapple contains 75% water and a natural digestive enzyme called bromelain which is a highly effective digestive juice. It keeps the digestive system clean. Moreover, pineapple is also beneficial for the skin. **Turmeric :** Turmeric is very effective in solving all kinds of digestive problems. It plays a role in the digestion of fatty foods. Moreover, turmeric contains anti-inflammatory ingredients, which reduce inflammation. **Banana :** People who eat too much salt can have gas and digestion problems. The potassium in bananas maintains the balance of sodium and potassium in the body. Banana helps in digestion. Removes contaminants from the body. **Water :** Everyone knows the benefits of drinking water. Drink two glasses of water on an empty stomach every morning, you will see that you will not have to suffer from gastric pain all day long. Because water is a very effective ingredient to increase digestive energy. Moreover, water also works to keep the digestive system clean. In conclusion, getting rid of the gas problem is not something that is very difficult. If you start eating the foods mentioned here regularly, you will see that you will not have to suffer from gastric problems anymore. You also can get rid of harmful gastric tablets.

@Arpan

How To Increase Patience Patience is the key to success . But many people lose their temper and become impatient . Without patience it is not possible to do anything long term . You have to be patient to do something good . If you want to improve your patience , you can do several things . **Write a Diary :** You can write your special memories and other important things in a diary . It will improve your patience . **Read Book :** Read as many books as you can . It increases our knowledge and removes stress from our mind . **Meditation :** Practice more and more meditation . It is the most effective way to increase temper . You can take help from YouTube in this case . **Self-Confidence :** It increases our patience . Besides it is also the key to success . **Spend Time for Yourself :** It is very important to give yourself time. In the midst of daily work we forget ourselves. Forget that we also need rest. But if you want to keep the body and mind well, you must give yourself time. If the body and mind are sound, you will be able to gain patience. **Don't Compare :** Don't compare yourself with others . Always try to find how much you have improved . **Be Realistic :** The reality is hard we all know. So don't be upset about small incidents that happen. There is no benefit in being frustrated with this. However, there should be no error in the effort.

@Arpan

জবা ফুলের মিলিবাগ আমরা যারা জবা ফুলের বাগান করি , তাদের জন্য সবচেয়ে বড় সমস্যা হলো মিলিবাগ । এটি মূলত সাদা একধরনের পোকা , যা গাছের পাতা এবং ফুলের কলিতে দেখা যায় । মিলিবাগ হলে গাছে ঠিকমত ফুল ধরে না । এ সমস্যা সমাধানের উপায় হলোঃ **অল্প মিলিবাগ হলে , অর্থাৎ প্রাথমিক পর্যায়ে হলে** যদি কেটে ফেলা সম্ভব হয় তাহলে সেই ডাল বা পাতা কেটে ফেলব । কাটা সম্ভব না হলে যদি সামান্য জায়গাতেই হয় তবে স্প্রে মেশিন দিয়ে পানি দিয়ে স্প্রে করে ভাল করে ধুয়ে ফেলব । **যদি মিলিবাগ অনেক বেশি হয় সেক্ষেত্রেঃ** ১/ এলকোহল স্প্রে করলে মিলিবাগ কমানো যায় । সাধারনত বডি স্প্রে কিংবা নেইলপালিশ রিমোভারে এলকোহল পাওয়া যায় । ২/ একটি পাত্রে কিছুটা পানি , সমপরিমান নিম অয়েল , হাফ চামচ হলুদের গুড়া , ১ চামচ লিকুইড সোপ (অথবা শ্যাম্পু) মিশিয়ে নিয়ে গাছে স্প্রে করলে ভালো ফল পাওয়া যাবে । ৩/ কীটনাশকের মধ্যে ক্লোরোফাইরিফস ২০ সিসি অথবা ইমিডাক্লোপিট যেকোনো একটির ২ মিলি নিয়ে তা ১ লিটার পানিতে মিশিয়ে স্প্রে করলে মিলিবাগ কমবে । ৪/ সবচেয়ে সহজ পদ্ধতি হলো - মিনিপ্যাক স্যাম্পু (৩-৫ মিলি) ১ লিটার জলে মিশিয়ে বিকেলের দিকে মিলিবাগ গুলো আলতো করে ধুয়ে দিতে হবে । পরের দিন সকালে পরিষ্কার পানি দিয়ে সাবানজল ধুয়ে দিতে হবে । এভাবে ৪-৫ দিন পর পর করলে মিলিবাগ দূর হবে খুব সহজেই ।

@Arpan

কিভাবে টরেন্ট থেকে মুভি ডাউনলোড করবেন আপনি চাইলেই খুব সহজে টরেন্ট থেকে বিভিন্ন মুভি , গেইম , পিডিএফ বই বিনামূল্যে ডাউনলোড করে নিতে পারবেন । সেজন্য প্রথমে U-Torrent কিংবা BitTorrent এপ্লিকেশনটি আপনার Android ডিভাইস অথবা উইনডোজে নামিয়ে নিন । Download Link : https://www.utorrent.com/downloads/complete https://www.bittorrent.com/downloads/complete/ এরপর যেকোনো টরেন্ট সাইটে গিয়ে যে মুভি , গেইম বা পিডিএফ খুজছেন সেটি সার্চ দিন । এখানে জনপ্রিয় দুটি টরেন্ট এর লিঙ্ক দেয়া হলোঃ ১। k a t . r i p ২। t h e p i r a t e b a y 3 . o r g / e n এরপর পছন্দ মত কোনো লিঙ্ক ক্লিক করে Get this torrent দিলেই কাংখিত ফাইলটি ডাউনলোড হয়ে যাবে ।

@Arpan

Pictures : Rare Cactus Flowers Here are pictures of some rare cactus flowers

+3 more

@Arpan

Beginner Bonsai Tips : Mistakes Bonsai is and art which is not easy to master . It is an art form that requires years of training and centuries of dedication . Many beginner does many mistakes and all the hardwork goes in vain . Some common mistakes are : **Forgetting watering :** This is the most common mistake . Many people forget to water their plants and they die . Improper watering kills bonsai more than anything else . So if you are going on a vacation , search for a plant sitter . Who can water your plants when you are far from home . **Choosing the wrong tree :** Learn everything about that tree before growing it . It includes weather , temperature , environment etc. If you don't take care in the proper way , the trees will die **Growing from seed :** A bonsai can be grown from seeds , but it takes much more time to become a bonsai . If you are a master and know about bonsai very well then it's ok to continue with seeds , otherwise it's better to avoid . **Unrealistic expectations :** Bonsai is an art which takes a lot of years to master . Don't expect a good looking bonsai trees in such a short period of time . You must master patience before mastering bonsai . **Giving up :** Never give up . All the bonsai masters have killed a lot of trees in the beginning . Keep learning from mistakes , one day you can also become a bonsai master .

@Arpan

Grey or Pink Shoe ? **The science behind #shoegate explains why some people see grey and others see pink - and it has nothing to do with creativity** A University of Hong Kong neurology professor helped us understand why the Vans sneaker looks different to different people - and it has nothing to do with left and right brain dominance . Seeing a certain set of colors on a shoe has nothing to do with which side of your brain is more dominant. Four years after #TheDress debate broke the internet, **another color-perception enigma has surfaced on social media**. This time around, the subject, referred to as both #theshoe and #shoegate, is a Vans sneaker. Some people see the shoe as grey with green trim and laces, while others see it as pink with white trim and laces. Some netizens have added captions saying that the difference in perception depends on which side of your brain you use more: “left-brained” people are methodical and analytic, and see green, while more creative, artistic “right-brained” people see the pink version. **Young Post** spoke to Raymond Cheung Tak-fai, a clinical professor from the neurology division at University of Hong Kong’s department of medicine, to break down the mystery. Cheung first cleared up the idea that what colours you see in the photo said anything about your mental strengths. **“Sometimes people just really want to know where their talents lie, and they make claims without scientific grounds,”** he said. Regarding the actual colours of the shoe, Cheung said although to some people it might look green and grey, he suspected it was in fact pink and white. “Since the palm and thumb in the photo reflect some odd green light, I think the photo was taken in a dark environment with a green flashlight,” Cheung suggested. **“When the green light is projected onto the white shoelaces, they will come off as green. Also green plus pink equals grey.”** When asked about why different people see it differently, Cheung listed several factors. He said if one stared at the picture long enough, our brain would adapt to the colours and no longer be sensitive towards them. **“If you stare at the green shoelaces, you’ll realise after a while, they are not as green anymore. That is because our cells which are sensitive to green light adapt to the colour and are no longer stimulated by it. Therefore, the green will become white,”** said Cheung. He added that if fewer of these “green light” cells function, the cells which are sensitive to red and blue light might dominate and thus, the grey would appear pink. Cheung said there were also other factors affecting how our vision worked. He said we are able to recognise different colours because our cone cells, that are responsible for colour vision, are sensitive to certain lights. As we get older, our perception of colour can also start to fail. Macular degeneration happens because there are fewer light-sensitive cells on our retina. Cheung also said colour sensitivity varies from person to person, as some people might be born with larger number of cone cells, so it’s not surprising that we perceive colours differently at times. Cheung said getting older also caused the lenses of our eyes to become yellow. **“It’s as if you’d put on yellow sunglasses. Everything that you see is filtered by a yellow layer,”** said Cheung. **“Then, grey may appear to be pink as the yellow reduces the green light intensity.”** He further explained that the brightness of the picture could affect what we see. The brighter the picture is, the closer we can get to recognising the real colours, as our cone cells are stimulated by light. Last but not least, he did an experiment that you might want to try: if you increase the saturation level of the picture, you might be more likely to see pink and white. He said this exercise imitates the activities of our sensitive cone cells. The saturation imitates our sensitivity towards differently coloured lights. If we are more sensitive to the colours, meaning more of our cone cells are activated, we could more accurately determine the real colours of the shoe.

@Arpan

White and gold dress: Here's the science behind why some people see blue **What color is the dress? The whole internet is confused - but science has an explanation** The **entire internet is confused about this dress**. Do you see it as white and gold or black and blue? Some even see it as blue and gold. We know that the actual dress - from British retailer Roman Originals - is royal blue and black. But the it’s the low quality photo of the dress that has flummoxed us all, and **triggered a flurry of hilarious memes**. So why is that we all see it differently? It comes down that the way that human eyes have evolved to view color in a world where the main source of light is sunlight. We see the objects around us because light bounces off them and back onto our retinas. The brain has learnt to register what color the actual light source is and then subtract that color from the actual color of the object. So imagine a yellow-y light on a white object - the brain understands that the yellow light is influencing the color of the surface it’s landing on and will try and ignore it. Does this photo look blue or gold to you? **Human eyes evolved to understand the difference between the color of the light source and the color of the object** Humans have evolved to deal with a range of colored light, since we’re used to the sun shifting through a range of colors from sunrise to sunset, with more yellowy and red colors at either and of the day and more bluish white colors in the middle of the day. "Our visual system is supposed to throw away information about the illuminant and extract information about the actual reflectance,” neuroscientist Jay Neitz, from the University of Washington, told Wired.com. Some brains are subtracting blue "light" while others are subtracting yellowy gold tones In the case of the blue dress, the brain is trying to subtract the colour bias caused by the light source. But some people’s brains are trying to get rid of the blueish tones - so they will see white and gold - and some are trying to get rid of the yellowy gold tones, which means they’ll see blue and black. "But I saw it as one color and now the other" Even weirder is that some people will initially see it as white and gold, but then look at an enhanced version of the picture and then see the different version. It does to show the importance of context in how our brains process images. There are lots of other **mind-boggling optical illusions that demonstrate this**. For what it’s worth Neitz sees white and gold and says: "I've studied individual differences in color vision for 30 years and this is one of the biggest individual differences I've seen."

@Arpan

Bonsai Bonsai is an art form that requires years of training and centuries of dedication . At the 2012 international bonsai convention , a tree was on sale for **100,000,000 yen (949,172 USD)** . And many more of these trees are considered completely priceless . **Here are the reasons for Bonsai being so expensive :** Bonsai is the art of dwarfing a regular tree to create a perfect miniature representation of nature in a small pot . It has a long history . Originating in China , the practice of creating tiny trees and landscapes appeared as far back as the sixth century . The tree's growth is restricted by years of **pruning , wiring , repotting and grafting** . And the plants needs to be checked on and often watered every day . The skills required to grow these trees plays a huge part in their value . The're often bent and twisted into shape , positioned around rocks , or even placed with other trees to simulate a tiny forest . Many of these techniques takes years to master . And any errors made can result in permanently ruining the shape or even killing a plant that has been growing for centuries . **Chiako Yamamoto** is a fourth-generation bonsai master based in central Japan . She's been creating and selling bonsai for the last 51 years . And one of the hardest skills to master when growing these plants is **patience** . The time and devotion this process requires is unlike almost any other form of artwork . While the work is almost a form of sculpture , the plants are living things and will always react in their own way . Some of the most valuable bonsai are over **800 years old** . The Bonsai pots and the tools used are often handmade and can cost thousands of dollars themselves . Certain types of tree are also harder to grow or require certain techniques and may fetch a higher price . But more than anything , these trees are works of art , valued for their beauty and the vision of the artist .