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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.

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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