What are LED lamps and what is there advantage over other lamps?
Superconductors are those substances that conduct electricity without any resistance, so why cant we use them in transmitting electricity?
Abdul Najeeb asked
i want to know more about Loop quantum gravity and tz implications on gravity, time, space and how will it change our perspective on big bang???????
Anju SV asked:
The magnets of earphones are of opposite polarities at left and right ears.why?
Why do we see the same face of moon always?
what is big bang?had it really happened?if it did,where is the proof?is it correct to say that earth and other celestial bodies were formed of this process?
Why does masses attract each other even though they are separated by even vacuum ?
why does the earth’s magnetic field flip?
Anuja M Bose asked
Is it possible to travel back in time using a time machine and interact with the people who lived in that period?
1.Is there any body on this universe known to man which is purely frictionless?
2.Is it true that light travels in the same(relative to us) speed even if we are going away from or towards it?Is this proved by experiments and is this phenomena the basis for time travel?
Gokul R Pillaiasked
Sir, I have learnt that the black hole finally opens into a white hole. If it is so, then how much distance would the objects attracted by the black hole travel, before they come out through the white hole?