Tiny discs can levitate in the upper atmosphere using sunlight alone
An illustration of solar-powered levitating discs Schafer et al. Nature Fingernail-size discs that levitate in sunlight could someday carry sensors…
Category: Technology News
Jacket that gets thinner when you sweat could help avoid overheating
The jacket is thicker when dry (left) and thinner when moist (right) Xiaofeng Jiang/Nanjing University of Aeronautics and Astronautics 2023…
It is impossible to build a practical quantum broadcaster
Can we broadcast quantum information? Weiquan Lin/Getty Images Sharing quantum information the same way we broadcast TV or radio programs…
AI-generated responses are undermining crowdsourced research studies
Some people who take part in online research projects are using AI to save time Daniele D’Andreti/Unsplash Online questionnaires are…
NASA and IBM built an AI to predict solar flares before they hit Earth
Solar flares can be a threat to GPS and communications satellites NASA/SDO/AIA An artificial intelligence model trained on NASA satellite…
I’m a cyclist. Will the arrival of robotaxis make my journeys safer?
“I cycle everywhere in London…” Richard Baker/In Pictures via Getty Images Having plied their trade in several US and Chinese…
We need to establish free internet access as a standalone human right
In 2024, 2.6 billion people – nearly a third of humanity – remained offline, the International Telecommunication Union (ITU) reported.…
Another quantum computer reached quantum advantage – does it matter?
An earlier prototype of Jiuzhang 4.0, the quantum computer that achieved quantum advantage Chao-Yang Lu/University of Science and Technology of…
US military wants to secure the internet by making it more quantum
Can we add quantumness to the internet to make it more secure? NicoElNino / Alamy The US military has launched…
3D-printed electronics can dissolve in water for quick recycling
Prototype electronics can be made from a polymer that dissolves in water when it is time for recycling Zeyu Yan/University…