Nikola Tesla explains in this speech about how his idea of free energy was generated and how we can grab and harness the power of nature and cosmos to gather free energy.

In this video Michio Kaku is explaining the string theory partially and very limited form. Though String theory as a whole is very accurate and broader than this still some idea can be obtained about that from this video.

In this video physicist Neil De Greese Tyson explains how and why does it is important the landing of India on moon specially dark side of the moon and congratulates the prime minister.

In this video a physicist looks into spread out trees in jungle and an arranged piece of woods and explains how meaningful forms can only be by intelligent design.

In this video a physicist shows in an experiment how wave and particle both is resembled by an silicon droplet and produces interference.