Electronics

Scientists develop simple self-charging battery to power electronic devices

A new type of battery combines negative capacitance and negative resistance within the same cell, allowing the cell to self-charge without losing energy. This has...

Small mirrored chip helps create handheld dark-field microscopes

Do a Google search for dark-field images, and you’ll discover a beautifully detailed world of microscopic organisms set in bright contrast to their midnight-black...

Hey, Alexa! Sorry I fooled you …

A human can likely tell the difference between a turtle and a rifle. Two years ago, Google's AI wasn't so sure. For quite some time, a...

8 tips to make your gadget’s battery last longer

These best practices can make the lithium-ion batteries in your devices last longer, researchers say. Researchers plowed through scores of academic papers and manufacturers’ user...

Scientists solve major safety issue with lithium metal batteries

A Washington State University research team has developed a way to address a major safety issue with lithium metal batteries - an innovation that...

New chip brings ultra-low power Wi-Fi connectivity to Internet of Things devices

More portable, fully wireless smart home setups. Lower power wearables. Batteryless smart devices. These could all be made possible thanks to a new ultra-low power Wi-Fi...

People with longer thumbs mistype on their smartphones more often, says study

People with long thumbs have a tougher time hitting the right phone keys. According to a recent study from the University of Copenhagen, thumb...

Scientists learn more about the first hours of a lithium-ion battery’s life

The first hours of a lithium-ion battery's life largely determine just how well it will perform. In those moments, a set of molecules self-assembles into...

Apps could take up less space on your phone, thanks to new ‘streaming’ software

If you resort to deleting apps when your phone's storage space is full, researchers have a solution. New software "streams" data and code resources to...

MIT engineers develop new process to make stretchy electronics

At the heart of any electronic device is a cold, hard computer chip, covered in a miniature city of transistors and other semiconducting elements. Because...