There's a celestial trick to the latest postal stamp
CAPE CANAVERAL, Fla. — The U.S. Postal Service is going all out for this summer's total solar eclipse, with a first-of-its kind stamp.Just touch the stamp with your finger, and the heat transforms the image of the blacked-out sun into the moon. Remove your finger, and the eclipse reappears. The trick is using temperature-sensitive ink.The stamp image...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark