A long, thin wormhole, similar to some strange form of optical fibre, could allow us to send light pulses through time. Wormholes are tunnels that connect two points in space-time, as predicted by Einstein’s general theory of relativity. If something … Read More
We all know that Earth is old, but it’s hard to put into perspective just how old it is. After all, what does 4.5 billion years really mean? How do you even comprehend that amount of time with our short-lived human brains? … Read More
Does time exist? The answer to this question may seem obvious: of course it does! Just look at a calendar or a clock. But developments in physics suggest the non-existence of time is an open possibility, and one that we … Read More
For the first time, an experiment has confirmed that the laws of thermodynamics apply even at the quantum level – which means that even in the quantum world, you can’t unspill that glass of milk. The second law of thermodynamics … Read More