October 5, 2018

And just a few decades later…

Two lemon batteries, connected in series, can (just barely) power a red LED. Making a lemon battery was one of the sciencey activities I encountered
June 10, 2017

Double rainbow at dawn

How long did it take you to spot the rainbow? The rainbow faded from one second to the next and, even at the moment I took the above photo, S. had