Ultra-thin lenses that make infrared light visible

Lenses are the most widely used optical devices. Camera lens or objectives, for example, produce a sharp photo or video by directing light at a focal point. The speed of evolution made in the field of optics in recent decades is exemplified by the transformation of conventional bulky cameras into today’s compact smartphone cameras. Even…

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Researchers develop recyclable, healable electronics

Between upgrades and breakdowns to cellphones, tablets, laptops, and appliances, so many electronics are getting tossed in the trash that they’ve taken on a name of their own: e-waste. According to a 2024 report issued by the United Nations, the amount of e-waste worldwide has almost doubled in the past 12 years, from 34 billion…

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US green energy braces for federal funding cuts

Zoe Corbyn Technology Reporter Reporting fromSan Francisco Getty Images President Trump has described windfarms as “disgusting” and “ugly” US green fuel company HIF Global has a big vision for Texas’s Matagorda County: a $7bn (£5.2bn) commercial scale e-methanol factory to supply the world market. The plant, which it claims would be the largest to date…

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