Engineering

Portable sun-powered water harvester could combat water scarcity

University of California Berkeley researchers have designed an extreme-weather proven, hand-held device that can extract and convert water molecules from the air into drinkable water using only ambient sunlight as its energy ...

Internet

Twitter rivals pile up with Meta's launch of Threads

Since Elon Musk took over Twitter eight months ago, users irked by the platform's new regime have vowed to move their online presence elsewhere, though the habit has proved hard to break.

Energy & Green Tech

Lithium boom comes to Brazil's 'misery valley'

In a cloud of gray dust, a heavy-duty excavator loads a truck with stone blocks containing lithium, the "white gold" of the clean-energy revolution, which some hope will transform this parched, impoverished region of Brazil.

Consumer & Gadgets

Apple lays down the gauntlet to the metaverse

Tech giant Apple has unveiled its first major product in more than seven years, a mixed-reality headset that might just deliver a terminal blow to the "metaverse".

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