One of the more interesting categories of our ongoing Green Power Challenge is “anything but PV” — and since the radiated ...

I tested the most popular red light therapy devices. These are the ones worth your money.

It’s the evening before publication, and a pair of Hackaday writers convene to record the week’s podcast. This week Elliot Williams is joined by Jenny List, and it’s a bumper ...

From 3D movie screens to augmented-reality devices, many modern technologies rely on our ability to manipulate light. Doing so in a cost-effective and efficient way, however, is often a formidable ...

NEW YORK, March 10 (Reuters) - U.S. ‌power consumption, which hit its second straight record high in 2025, will rise further in 2026 and 2027, the Energy Information Administration (EIA) said in its ...

Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...

Here's the assembly instructions for my 3D printed Arduino / Python controlled animatronic mouth! #animatronics #arduino #3dprinting #python #robotics #makerproject #diyrobot #mechanism ...

AI data centers can operate without using peak power continuously, according to the results of a UK trial, a finding that could have implications for electricity systems worldwide. Grids from the US ...

A quaint neighborhood north of Copenhagen, Denmark has adopted a radical tweak to its nighttime streetscape — red streetlights in select areas rather than the usual white streetlights. In the ...

The largest real-world study yet, accounting for nearly a million plug-in hybrid vehicles, shows that PEVs use far more gasoline than previously claimed. The study comes just as Europe is about to ...

China’s economy has held up remarkably well against shocks like U.S. tariffs but continued resilience will need consumption to drive growth, rather than external demand, according to a report by the ...