How trustworthy is your fitness tracker score
Millions of people now start their day with a number—a "readiness" score, a "body battery"" level or a measure of "strain""—delivered by the wearable...
This tiny brain sensor you can wear every day
Researchers at Georgia Tech have created a nearly invisible brain sensor that could make using brain-computer interfaces (BCIs) in everyday life a reality.
This new...
Scientists create 3D holograms images you can grab
For the first time, scientists have created holograms in mid-air that you can actually touch and move with your hands—no virtual reality glasses needed.
This...
New tree gum could make supercapacitors last a lifetime
A sticky substance from trees in India might hold the secret to making energy storage devices called supercapacitors last much longer and become more...
Ultra-thin heat pipe could make phones faster and slimmer
A team of scientists from Nagoya University in Japan has created a powerful new cooling device that could change the future of smartphones and...
Invisible light sends the Internet across Eindhoven at record speed
In a major tech breakthrough, researchers in Eindhoven have used invisible light to send data wirelessly across the city at an incredibly fast speed.
A...
New tool could bring your favorite real-world items to life in virtual worlds
Have you ever wished you could bring your favorite childhood toy or a special item into a virtual world—not just how it looks, but...
How sea sponges are inspiring tiny, powerful lenses for better imaging
Deep in the ocean, sea sponges grow beautiful, glass-like skeletons that are both strong and light.
These structures are made from a natural glass called...
Quantum communication isn’t foolproof: Hidden flaws could let hackers sneak in
Quantum communication is often seen as the future of secure messaging because it uses the strange laws of quantum physics to protect information.
But a...
A new way to build tiny, powerful electronics with 2D materials
Scientists in China have discovered a better way to build small, high-performance electronic parts using ultra-thin materials called 2D semiconductors.
These materials are only a...