A Chad Extra! Just add salt.

In this extra gadget episode Chad builds and runs — well, tries to run, his 4M Green Science Salt Powered Truck. First, here’s what company says about this kit: Learn about the fascinating world of green energy in a fun, hands-on way. Build this truck and...

What Is Quake Hold?

It’s Museum Putty! Still not clear? The manufacturer explains: Quake Hold! Museum Putty secures antiques, collectibles, figurines and more from falling and breaking. It can be used on most surfaces, including ceramics, porcelains and laminates, as well as on...