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These batteries power up a green future

These batteries power up a green future

Start-ups are working on batteries with new chemistries, designs and raw materials for a green future.
The promise of therapeutic ultrasound

The promise of therapeutic ultrasound

The ultrasound is lending itself to a swathe of new uses beyond diagnostics.
Tech tools to fight deepfakes

Tech tools to fight deepfakes

Tools to detect doctored media are being designed and honed, as companies and researchers battle deepfakes.
Going the extra mile

Going the extra mile

Low-cost kits make healthcare accessible in rural areas.
Fine-tuned friction

Fine-tuned friction

Make way for on-demand friction with a technique that promises to help in multiple fields.
Flashes of mystery

Flashes of mystery

FRBs — high-powered, short-lived bursts of radio light — continue to baffle scientists.
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