The best GaN chargers of 2025: Expert tested

Remember the old wall wart? That little charger you plugged into an available wall outlet, needing one for each device you owned? How times have changed! Now, you can get your hands on a charger that can happily power multiple devices at once. And it’s not just smartphones — most modern chargers can handle heavier…

Read More

The surprising stars reveal the second most sharp supermassive hole | By Ethan Siegel | Start with an explosion! | Sea, 2025

This illustration shows how binary stars interact with a supermassive black hole to create a population of hypervelocity stars that end up being gravitationally kicked so strongly that they are expelled from their local galaxy. This process must be at stake in any galaxy with a supermassive black hole, including the nearby Magellanic (LMC) cloud,…

Read More