The latest edition of New Scientist has a fascinating article titled “Quantum shadows: The mystery of matter deepens” by Anil Ananthaswamy (requires free registration to read). It discusses recent experiments conducted to try (yet again) to determine why photons sometimes appear as particles and sometimes appear as waves (the famous “double slit” experiment). In this […]
Brian Greene explains why space and time are part of a single continuum and why that means that everything that will ever happen HAS ALREADY HAPPENED somewhere in space-time. As I try to explain in the book, this means it is pointless to worry about what might happen in the future. If it HAS ALREADY […]
The answer is – I have no idea! However the below video and the RadioLab podcast “What A Slinky Knows” bring up some interesting philosophical issues about time, information and the nature of our perceptions. What happens to the bottom rung of a slinky when you let go of the top rung?