It’s about time! Or maybe it’s about time’s reciprocal: frequency. Whichever way you see it, Hackaday is pleased to announce, just this very second, the 2025 One Hertz Challenge over on Hackaday.io.

We’ve been loving the variety of entries to the 2025 One-Hertz Challenge. Many a clock has been entered, to be sure, but also some projects that step well outside simple timekeeping. Case in point, ...

So, he did it. Bryson DeChambeau completed his hole-in-one challenge. As the two-time major champion continues to dominate the world of online golf, I decided to dive deep into his challenge and ...

Hitting a hole-in-one is every golfer’s dream. Minnesota-based Waggle is giving golfers of all abilities a shot at their 24 hour Hole-in-One Challenge.