The Elements by Theodore Gray and Nick Mann Valentine's Day - Intuitive: Tracks attach to

- Intuitive: Tracks attach to smooth surfaces with the help of clever nano-adhesive pads that stick to smooth

hop and stop through your contraption

and candid answers to thirty-five specific questions posed by her youngest fans

Relive some of those glory days and spread light and color (and the joy of physics) wherever you go in this classic baseball-style Exploratorium shirt

and beautiful vintage Victorian art

The Elements by Theodore Gray and Nick Mann Valentine's Day - Intuitive: Tracks attach to"If you are a fan of the Periodic Table of the Elements, or even a fan of chemistry, Theo Gray's book, The Elements is a must have. Inside you'll see some of the best photography ever done of all of the elements it was possible to collect visible samples of. Also, you'll see many of the applications these elements are put to and some of their naturally occurring mineral forms. A wonderful tour through the periodic table. It's also been made into an