Einstein handwritten letter with E=mc2 equation auctioned May 21, 2021 at 08:55PMhttps://https://ift.tt/3fC9kae The rare example of the equation in Einstein's handwriting sells for $1.2m, much more than expected.

The rare example of the equation in Einstein's handwriting sells for $1.2m, much more than expected.

from BBC News - World https://ift.tt/3wrfXTq