Does anybody really know what time it is? (Part 2)
Quantum physics took the mysteries of time to a whole other level. Is time continuous or discrete? Is there a minimum size of time duration, a sort of quantum of time? Is time fundamental or is it an emergent phenomenon, or is it an illusion? Many scientists now think that time is not fundamental but that it emerges out of nothingness. Of course, nothingness itself is being redefined. Completely empty space is now thought to be a quantum foam, with virtual particles popping into and out of existence randomly and continuously. When these virtual particles happen to interact with each…