Basics Of Remote Cellular Access: Connecting Via VPN

You’ve got a machine hooked up to the Internet via a shiny new cellular modem, which you plan to administer remotely. You do a quick check on the external IP, and try and log in from another PC. Try as …read more

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Smart Power Delivery For Long LED Strips

Addressable LED strips, most commonly using the WS2812B, have revolutionized the pursuit of the glowiest and flashiest of builds. No longer does a maker have to compromise on full RGB color or number of LEDs due to the limitations of their chosen microcontroller, or fuss around with multiplexing schemes. However, …read more

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Baby Yoda Becomes Personable Robot

Baby Yoda has been a hit character in Disney’s The Mandalorian, but does not actually exist in real life as far as we know. Instead, [Manuel Ahumada] set about building a robotic replica, complete with artificial intelligence.  (Video, embedded below.)

The first step was to build a basic robotic simulcra …read more

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Growing Opals In The Lab

Opals are unique amongst gemstones, being formed from tiny silica nanospheres arranged in precise structures that give them their characteristic shifting color when seen from different angles. [The Thought Emporium] loves a challenge, so set about growing some himself.

It’s not the hardest gemstone synthesis ever, but it’s no cakewalk …read more

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Dangerous Greeting Cards You Probably Shouldn’t Send Anyone

Regular paper greeting cards are pricey for what they are, and of course the annoying musical variety are even more so. If you really want to go all out, however, you’ve got to go custom made. That’s what [Xyla] and [Ian] did, though we’d stop short of recommending you build …read more

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The V-Bomber Ejector Seat Controversy

Once upon a time, bailing out of a plane involved popping open the roof or door, and hopping out with your parachute, hoping that you’d maintained enough altitude to slow down before you hit the ground. As flying speeds increased and aircraft designs changed, such escape became largely impossible.

Ejector …read more

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