Are you, really you ?

Are you, really you ?

Admin medical, people, Science 0 Comments

The painting “Nude, Green Leaves and Bust” by Pablo Picasso became the most expensive in the world when it sold for $106M at Christie’s in New York in 2010. However, if you had a copy, a fake, one that looked identical but was not the original, it would be worth a tiny fraction of that, maybe the cost of the materials required to make it plus a bit for it aesthetic value. But what if you took all the atoms of the original and changed them for identical new atoms so that it looked exactly the same. Would it still the …

Why is the sun hot ?

Why is the Sun hot ?

Admin Science, space 0 Comments

Why is the sun hot?,  now before you jump on the comments and say “because it’s the sun, stupid” think about it, our sun is basically a giant nuclear reactor at the centre of our solar system but not like the ones on earth. They create energy by nuclear fission, that is they split large atoms like uranium into smaller lighter ones and in the process it releases large amount of energy. Atomic bombs also work in the same way which is why they are so destructive. The sun creates its energy by nuclear fusion, the most efficient way to …