Today, with a digital camera, we can snap / an image, upload it on the net and share it with our friend in a jiffy. But when photography started, it took hours to take a photograph, which would come out very blurred. Let's take a trip backward in time, and see how photography began.
Ever had the experience of going to dad for pocket money, and he starts grumbling about how expensive everything has become? Especially the cost of fuel? If the price of petrol was less, you might get a little more pocket money, wouldn't you?
You've probably had fights with your siblings over chocolates. But did you know that your children might have to fight one day over a glass of drinking water? Let's see what we can do to avoid a situation like that.
Few of us can resist admiring the pretty colours on a butterfly's wings. They are fabulous when they catch and reflect the sun's rays. But did you ever imagine that they could be used to make currency notes safer?
Your friend might have been given tamiflu to cure him of a bout of bird-flu, but did he end up with a stomach-ache too? Like tamiflu, many medicines have side-effects. In the future, we may have a new form of medicine called peptides that won't have any side-effects!
The English poet Keats wrote a famous poem called Lamia, criticising scientists. He lamented that they had 'unwoven the rainbow' - i.e. by explaining how a rainbow is created, destroyed its beauty. But the science that explains a rainbow, also explains the secrets of life and the birth of the universe!
Last year, Venkatraman 'Venki' Ramakrishnan won the Nobel Prize in Chemistry for discovering how the ribosome works. The method he uses has helped a lot of other scientists Maurice Wilkins, Linus Pauling and Dorothy Hodgkin win the Prize too. It's called Crystallography.