
New ‘Ionogels’ Are Tough, Stretchable and Easy to Make
They could find use as protective material, 3-D printer “ink” or longer-lasting batteries

New ‘Ionogels’ Are Tough, Stretchable and Easy to Make
They could find use as protective material, 3-D printer “ink” or longer-lasting batteries

New Charging Technique Puts Crumbling Batteries Back Together
The method could extend the lifetime of lithium-metal batteries by 30 percent, a new study suggests


Holographic Camera Instantly Peeks around Obstacles
New imaging tech could probe beyond corners, inside the body, and more

New Sensor Tells You How Well Your Mask Is Working
FaceBit tracks a face covering’s fit and wear time, as well as its wearer’s vital signs

Gel-Based Sensor Continuously Monitors Wounds for Infection
The device can sit beneath a bandage and send infection alerts directly to a smartphone

The Right to Repair Should be Protected by Law
The U.S. Congress needs to uphold the freedom to repair electronic devices

Assessing COVID Risk and More with Air Quality Monitors
The consumer devices track pollutants as well as CO2—a proxy for potentially virus-laden human breath

All Small Electronics Should Have the Same Charging Port, New E.U. Rule Says
In a bid to reduce waste, a proposed regulation would require phones and other small electronics to switch to USB-C

This Room Could Wirelessly Charge All Your Devices
New technology delivers power to electronic devices in a test space

In-Hive Sensors Could Help Ailing Bee Colonies
The technology could help beekeepers reduce short-term losses, but it doesn’t address long-term problems facing honeybees

Flexible Microprocessor Could Enable an ‘Internet of Everything’
Researchers have developed a microprocessor built on high-performance plastic rather than silicon—and they say it could enable smarter food labels and supply chain management.

Smartphones Can Hear the Shape of Your Door Keys
Can you pick a lock with just a smartphone? New research shows that doing so is possible.