The best power banks and portable chargers for every device in 2025

On a recent work trip, I had plenty of things to worry about — but being able to recharge my two smartphones, laptop and iPad were not among my concerns. In my carry-on luggage, I had two medium-cap [...]

The best laptop power banks for 2025

There’s nothing worse than trying to get work done offsite and realizing your laptop is nearly dead. OK, there are plenty of worse things, but running out of battery when you’re not near an outlet [...]

Black hole mergers put limits on star-destroying supernovae

Pair instability supernovae create a "mass gap" in black holes. [...]

New evidence that some supernovae may be a “double detonation”

It may be possible to blow up a white dwarf before it reaches a critical mass. [...]

The Webb telescope spots a supernova from 13 billion years ago

The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday, the European Space Agency (ESA) announced the sighting of a gamma-ray bur [...]

In 2025, AI and EVs gave the US an insatiable hunger for power

You may be surprised to learn electricity only accounts for 21 percent of the world’s energy consumption. Fossil fuels and the rest all play their part to make the world go around, but their role is [...]

The best fast chargers for 2025

These days, phone charging isn’t just about plugging in and waiting — it’s about speed, efficiency and convenience. With so many devices supporting fast charging, the right accessories can make [...]

Mistral AI launches Workflows, a Temporal-powered orchestration engine already running millions of daily executions

Mistral AI, the Paris-based artificial intelligence company valued at €11.7 billion ($13.8 billion), today released Workflows in public preview — a production-grade orchestration layer designed to [...]

CES: So very big, so little sustainability tech

Every third booth at CES showed off some new AI product or other. If you wanted to find a robotic lawn mower, throw a rock. Humanoid robots, smart locks and super thin TVs were everywhere. But if you [...]