Galileo
Newton
Kepler
Ptolemy
Who is the recipient of Nobel Prize for the development of wireless Telegraphy?
Who measured the velocity of light first ?
Who was the first scientist to be awarded two Nobel Prizes?
Why are Polaroids used in sunglasses ?
Why do birds not have respiratory trouble at the time of flying at high altitude ?
Why does a cannon recoil after firing -
Why does ice covered in sawdust not melt quickly ?
Why laser is used in the pipe alignment?
Why the needle of iron swims on water surface when it is kept gently -
Why two thin shirts can keep us warmer than a single thick shirt in winter ?
