Science with colorful bricks
IN 1999, legendary theoretical physicist Hans Bethe delivered three lectures on quantum theory to his neighbors at the Kendal of Ithaca retirement community (near Cornell University). Given by Professor Bethe at age 93, the lectures are presented here as streaming videos synchronized with slides of his talking points and archival material.
What Are Stem Cells?
Why does the full moon look larger when it’s near the horizon than when it’s high up in the sky? For generations, astronomers, psychologists, brain researchers, and many others have hypothesized about this effect, and yet there still doesn’t seem to be a definitive answer.
Previously on this intriguing topic: The Moon Illusion with ASAP Science.