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...

The Water-powered Mini HydraLight! Does it really work? 

A few years ago I both bought and reported on the HydraLight Flashlight, the water powered flashlight. Its operation was  not great. Now it’s probably the same company that now offers the 3 Pack Mini Emergency LED Water Powered Flashlight. Here’s what the...