Tension and Release

How To : Make a Monster Dry Ice Bubble

Sure it's been done before, but it never gets old. There's something magical about dry ice, bubbles, and especially the result you see when they're combined! Video: . For this experiment, I filled a bowl about half full with warm water, and placed a few chunks of dry ice insid ...more

How To : Make a Spot Welder for Cheap!

A typical resistance spot welder can range in price from about $200-$800, but with a little resourcefulness and a bit of free time, you can make one like this for about $10 or less. Before starting on this project, there are a couple of videos you should check out, because yo ...more

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