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, ...

Do you like buses, or do you just like the flippy-flappy displays they use to show route information? Either way, you’ll probably love the flip-disc clock created by [David Plass]. The build is based ...

The ’90s produced some of the most instantly recognizable songs in pop history. One line was all it took to flood the room or stop a conversation cold—ten questions, one lyric each. See how many you ...