Recent content by AuntyMatter

When we think of the fathers of quantum mechanics we tend to think of Max Planck, Albert Einstein, Niels Bohr, Louis de Broglie, Max Born, Paul Dirac, Werner Heisenberg, Wolfgang Pauli, and Erwin Schrödinger. However I think I am in solid ground in suggesting that William Shakespeare was way...

You have probably heard this a thousand times before, but here goes... We have an electron gun pointing at a double slit setup. We switch it on and emit a single electron. The electron approaches the double slit. At each instant that electron has a definite position. We do not consciously know...

Thanks for this help. Penrose speaks of a half life of around ten to the eleven years, so one order of magnitude greater than the age of the Universe.

If I understand Roger Penrose (highly unlikely but I digress) dark matter was present at the Big Bang but has been decaying away from the beginning. This might explain the change from a BB with low entropy to a CMB with high entropy. My question is this: if as Professor Penrose suggests, dark...

Thanks to both of you for your answers

We often hear about string theory requiring extra dimensions over and above our 4D spacetime. Does this shed any light on the singularity which is supposed to exist at the centre of a black hole? Does our normal spacetime simply join the other dimensions in their hidden (curled-up) form? This...