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Machine learning & AI
As chatbot sophistication grows, AI debate intensifies
California start-up OpenAI has released a chatbot capable of answering a variety of questions, but its impressive performance has reopened the debate on the risks linked to artificial intelligence (AI) technologies.
20 hours ago
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Consumer & Gadgets
An architecture that gives users full control of their smartphones
In recent years, many smartphone users have become concerned about the privacy of their data and the extent to which companies might have access to this data. As things stand today, the applications that users can run on ...
Dec 02, 2022
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Energy & Green Tech
Large band bending at SnS interface opens door for highly efficient thin-film solar cells
Tin sulfide (SnS) solar cells have shown immense promise in the rush to develop more environmentally friendly thin-film solar cells. Yet for years SnS solar cells have struggled to achieve a high conversion efficiency. To ...
Dec 02, 2022
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Electronics & Semiconductors
Zinc batteries offer greater safety, but many improvements needed to compete with lithium
Zinc batteries potentially offer a much lower fire risk than their market-leading yet fire-prone lithium-ion cousins, but researchers have concluded that the technology still needs a major boost to performance on a number ...
Dec 02, 2022
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Electronics & Semiconductors
Building energy-efficient computing platforms
The massive growth of data centers that consume enormous amounts of energy has contributed significantly to power shortages worldwide. With rising demand for faster and more intelligent computers and devices, there is a pressing ...
Dec 02, 2022
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Energy & Green Tech
Electrolyzing seawater without side-reactions, corrosion problems or the need for purifying the water first
A team of researchers affiliated with multiple institutions in China has developed a type of electrolysis that works with native seawater and does not have side-reactions or corrosion problems. In their study, published in ...
Dec 01, 2022 report
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Energy & Green Tech
An amorphous high-capacity iron fluorosulfate cathode
Chemists and engineers have been trying to create increasingly efficient, affordable and stable battery technologies to power a wide range of electronic devices. To do this, they have been leveraging the multi-redox reactions ...
Dec 01, 2022 feature
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Security
Tricking algorithms: AI tools could boost social media users' privacy
Smart AI tools could protect social media users' privacy by tricking algorithms designed to predict their personal opinions, a study suggests.
Dec 01, 2022
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Computer Sciences
Deep-learning model extracts important data from health records to assist with personalized medicine
Electronic health records (EHRs) need a new public relations manager. Ten years ago, the U.S. government passed a law that required hospitals to digitize their health records with the intent of improving and streamlining ...
Dec 01, 2022
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Engineering
New process allows 3D printing of microscale metallic parts
Engineers at Caltech have developed a method for 3D printing pure and multicomponent metals, at a resolution that is, in some cases, an order of magnitude smaller than previously possible. The process, which uses water-based ...
Dec 01, 2022
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Robotics
Tiny swimming robots can restructure materials on a microscopic level
Controlling microscopic processes is inherently challenging. The everyday tools we use to manipulate matter on the macroscale can't simply be shrunk down to the size of cell, and even if they could, the physical forces they ...
Dec 01, 2022
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Engineering
Communications system achieves fastest laser link from space yet
In May 2022, the TeraByte InfraRed Delivery (TBIRD) payload onboard a small CubeSat satellite was launched into orbit 300 miles above Earth's surface. Since then, TBIRD has delivered terabytes of data at record-breaking rates ...
Dec 01, 2022
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Robotics
Lightweight robotic leg prosthesis replicates the biomechanics of the knee, ankle and toe joint
The Utah Bionic Leg, a motorized prosthetic for lower-limb amputees developed by University of Utah mechanical engineering associate professor Tommaso Lenzi and his students in the HGN Lab, is on the cover of the newest issue ...
Dec 01, 2022
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Engineering
Stretchable rubber diode opens possibilities for medical, electronic devices
If you are reading this article on your computer or phone, it is in part thanks to diodes. Diodes—typically rigid electrical components that easily conduct electric current in one direction—are used for a variety of critical ...
Dec 01, 2022
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