International Space Station astronaut Don Pettit demonstrates physics in space with water droplets and knitting needles, including an explanation of how the aurora borealis happens. Continue reading
I’ll freely admit what lured me to this site was the fantastic photographs of the redwoods. I was happy to get to the site and find that there was so much more going on than just amazing photos.
There are five sections to really explore. They are:
Read the Story – here you will find twelve pages of