Whoda thunk it? Conveniently three AAA batteries fit perfectly into a Tic-Tac casing. Add in a switch, resistor and an ultra-bright LED for a nice, small flashlight. Follow the linkage for the easy ...

Sure, you can easily buy an LED flashlight at the hardware store. But where's the fun in that? This DIY LED flashlight offers up to 78.8% efficiency, an input voltage range from 1 to 3 V, and constant ...

Need something to keep you busy this weekend? We’ve got you covered. The Weekend Workshop is our weekly column in which we showcase a badass DIY project that you can complete with minimal skills and ...

From daily news and career tips to monthly insights on AI, sustainability, software, and more—pick what matters and get it in your inbox. Explore The Most Powerful Tech Event in the World with ...

If you’re a flashlight person, you know that there’s little you would do to get the brightest, most powerful, most ridiculous flashlight possible. You might even ...

You know the part of Monty Python and the Holy Grail when that old man says he's "not dead"? Well, the next time your batteries stop working in your device of choice ...