What are non-fungible tokens or NFTs?
Non-fungible tokens, or NFTs, are digital assets that are provably unique.
They are linked to digital (and sometimes physical) content, providing proof of ownership.
NFTs have...
This energy efficient chip could defend against fierce cyber attacks
A heart attack patient, recently discharged from the hospital, is using a smartwatch to help monitor his electrocardiogram signals.
The smartwatch may seem secure, but...
Researchers discover security vulnerabilities in virtual reality headsets
Researchers have published “Face-Mic,” the first work examining how voice command features on virtual reality headsets could lead to major privacy leakages, known as...
Why you can’t stop playing the game Wordle
Over the past few months, Wordle has skyrocketed in popularity, with cryptic grids of gray, green and yellow squares appearing on social media.
But why...
Warren Buffett: Why I Choose Apple Over IBM
When Warren Buffett initially invested in IBM, Berkshire Hathaway bought 64 million shares at an average price of $170 per share, for a total value...
Warren Buffett: Why I Was Wrong About Big Tech Companies
As the world's best investor, Warren Buffett isn't known for his holdings in the technology industry.
He used to say that he avoided tech altogether...
New hybrid particle offers route to smaller, faster electronic devices
In the particle world, sometimes two is better than one.
Take, for instance, electron pairs. When two electrons are bound together, they can glide through...
Graphene could replace rare metal used in smartphone screens, shows study
Scientists demonstrated the successful fabrication of an Organic Light-Emitting Diode (OLED) with a monolayer graphene anode, replacing ITO in organic light-emitting diodes.
Indium is one...
Scientists develop stable sodium battery technology
Replacing lithium and cobalt in lithium-ion batteries would result in a more environmentally and socially conscious technology, scientists say.
Toward that end, University of Texas...
Scientists revitalize batteries by bringing dead lithium back to life
Researchers may have found a way to revitalize rechargeable lithium batteries, potentially boosting the range of electric vehicles and battery life in next-gen electronic...