An Email from 2043

It was the last thing I expected to see in my inbox: a letter from my daughter 20 years in the future. Could this be real?

People like us, who believe in physics, know that the distinction between past, present and future is only a stubbornly persistent illusion.

—Albert Einstein

Note: This story was updated to its book version in October 2023.

One morning last July, I was sitting at my desk drinking coffee and trying to write. It was 6 a.m., and every room in the house was d…