Hackaday · 实时热榜

Lightning, despite being a common and readily-detected phenomenon, is nevertheless difficult to study. One reason is the difficulty of predicting when and where lightning will strike; tall structures do attract …read more

Recently thermal power stations have been in the news quite a bit, mostly in the context of them being throttled back or shut down due to the river water used …read more

As awesome as trebuchets are, the fact that medieval engineers didn’t create versions capable of launching supersonic projectiles is a bit of a bummer. Fortunately it’s possible to correct this …read more

Transmitting analog video via photons is old hat: that’s how everything started, after all, back in the day with over-the-air TV. Up the frequency of those photons from radio to …read more

If you didn’t live through it, it is hard to understand how excited the general public was about the race for the moon. You can capture some of it by …read more

It’s often claimed that wearable devices cannot have user-replaceable batteries or even be serviceable at all due to how compact and waterproof they must be, yet there are plenty of …read more

Though their pure Platonic Forms may only exist in the world of ideas, certain regular shapes can’t help but keep falling out of natural processes– case in point, the six-sided …read more

Sometimes you see a project just staring at you with proverbial puppy dog eyes and you just cannot look away. In the case of a once rather nice Sony TV …read more

Bad news for anyone who was hoping for some relief from the memory shortage — Digitimes is reporting that the production capacity of major players such as Samsung, Micron, and …read more

When playing a game about Pocket Monsters, there’s one thing you can’t avoid using no matter what you do, and that’s a pokeball. Whether it’s a new or old game, …read more

[Jan] of [Roetz 4.0] has a unique approach to multi-material 3D printing: he’s designed an extruder which takes two different materials and extrudes one as a shell around the other. …read more

You’ve almost certainly heard of the Xerox Alto, the machine that pioneered the desktop-mouse-keyboard interface and inspired Steve Jobs to produce the Apple Lisa and Macintosh computers. It wasn’t just …read more

For whatever reason, [Jeremy] wants to photograph bees in flight. This is one of those things that doesn’t seem that hard until you try to do it. He’s got the …read more

Paper as a substrate for electronic circuits is not very common, but promising for flexible circuits with low cost and easy recyclability. That said, paper is not an easy material …read more

Avian Visitors is a lovely project by [Teddy Warner] that uses a Raspberry Pi and microphone to keep track of which birds have been visiting your home, and creates a …read more

If you’ve ever worked with produce, you might know about grading. In addition to deciding if, say, a strawberry is good or not, they also have to sort them by …read more