Based on a design that was patented in 1891, the German-made Weltrekord was a 1950's ratchet screwdriver that has since become a collector's item. British tool manufacturer MetMo has reimagined it, using today's materials and production techniques.

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During the pandemic lockdowns, the humble webcam has helped many of us feel less isolated, but can lack depth. What we need is the kind of freestanding holograms like the one in Star Wars. We're not there yet, but the M by Portl comes pretty close.

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Although digital body-temperature thermometers may be easier to read than their analog counterparts, there's always the chance that their battery will go flat. That's where the BCool comes in, as you just give it a few shakes to power it up.

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Many indoor growing systems aimed at supplying users with a steady supply of year-round greens have started life as startup dreams on Kickstarter. But the latest is a freestanding appliance from consumer electronics giant LG called the Tiiun.

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When ingested, nutrient-rich spirulina blue-green algae is claimed to offer antioxidant, immune-boosting and cholesterol-lowering effects. And while it's typically consumed in powdered form, the Bloom system lets you grow the stuff in your kitchen.

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Ever since the first iRobot Roomba robotic vacuum cleaner was introduced, successive models have offered additional features. The new Roomba j7 is particularly interesting, however, in that it uses a visible light camera to identify and avoid obstacles … such as dog and cat poop.

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Segway-Ninebot has rolled on into the autonomous lawn mower space with a robotic gardening solution that goes a little further than most, using GPS to navigate gardens with a high degree of precision.

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Subdued lighting and good music can help set a relaxing tone for the porch party or campout, but instead of having to break out separate devices, Sony has launched a portable lamp/speaker that offers 360-degree sound and puts out a candle-like glow.

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