Aerogels are the world’s lightest (least dense) solids. They are also excellent thermal insulators and have been used in numerous Mars missions and the Stardust comet particle-return mission. The focus of this video is silica aerogels, though graphene aerogels are now technically the lightest. Continue reading
Futurists predict that those who work in jobs that require lower education and lower skill sets have a higher chance to have their jobs lost or restructured while those that require greater education or are highly skilled will be less affected. There is a growing urgency now because the discussion has moved from the theoretical to the observable. Continue reading
Everyone is self-conscious about having bad breath, but what about acid breath? Our science guy Steve Spangler puts on the lab coat to reveal the chemistry of your breath. Continue reading
Our science guy Steve Spangler made a return appearance on the Ellen DeGeneres Show today. This was his 19th appearance on the show. Continue reading
We all know that we need things like water and oxygen to live, but what happens when you get too much of a good thing?
Hosted by: Hank Green
This video deals with common misconceptions about temperature and thermal conductivity. Continue reading
This video provides excellent graphics and analogies to describe the volume and distribution of water on earth.
Thanks for the submission Peter!