Physicists Can’t Agree On Whether Or Not Time Is Real

Physicists can’t agree on whether the flow of future to past is real or a mental construct.

DOES ANYBODY REALLY KNOW WHAT TIME IS?

According to our best theories of physics, the universe is a fixed block where time only appears to pass. Yet a number of physicists hope to replace this “block universe” with a physical theory of time.

Einstein once described his friend Michele Besso as “the best sounding board in Europe” for scientific ideas. They attended university together in Zurich; later they were colleagues at the patent office in Bern. When Besso died in the spring of 1955, Einstein — knowing that his own time was also running out — wrote a now-famous letter to Besso’s family. “Now he has departed this strange world a little ahead of me,” Einstein wrote of his friend’s passing. “That signifies nothing. For us believing physicists, the distinction between past, present and future is only a stubbornly persistent illusion.”  Continue reading “Physicists Can’t Agree On Whether Or Not Time Is Real”

How far back in time could you go and still understand English?

Trust me, it’s a bad idea.

Fortunately, Arabic seems to be in a better situation. Although modern day Arabic is different than the one spoken 14 century ago (the time of our prophet Mohammad), but almost everyone can read and “understand” Quran (the writing of the Quran was during the time of prophet Mohammad and it’s preserved until this very day).

The Strange and Surprising History of Daylight Saving Time

The practice of moving our clocks twice a year is awash with colorful characters and strange-but-true tales.