Science teacher

SatChat question, April 13, 2019 Staying ahead of the curve is adspeak used by an industry that needs you to keep turning over tools. T...

" But, you can actually use chemical energy stored in a lemon and two metals to make a current and light up a small LED. It’s true and...

When I die, I hope nobody mistakes my kindness for niceness. I am not a nice man. Dr. King's life profoundly affected mine. I hav...

5:23 P.M. here--the sun stands still, shifts its mass * , and heads back north. 6 months ago, when we sat on the opposite side of the sun...

Another comet hangs in the sky. Here's a story from years ago. Philipp Salzgeber, CC She was a kid. She was dying. Everyone kne...

I took a walk barefoot along the edge of the bay today. It's December, so I am re-posting this. A rose hip in December. The dar...

It's a mid-30's chilly, a bright Venus, dawn sliding up over the east, Sirius fading over the bay just west of us. Most of the ...