Solder using cold heat. Sounds strange but it's true. This little cordless device is supposed to heat up instantly and cool down fast enough you can touch it. It's about 20 bucks, but Does It Work?

NEW YORK — If you're looking for a good holiday gift for a tinkerer you can hardly give away anything more inventive than the Cold Heat soldering iron. It redesigns something that's been virtually ...

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If you have a keen interest in electronics or are a do-it-yourself enthusiast, you absolutely need to have a few tools and accessories at your disposal at all times. One of them is a soldering iron.

In the 1800s and early 1900s soldering irons were still heated by flame. The large copper tips on the irons were slow to heat and would at best store heat for only a few minutes. It was not uncommon ...