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Best budget star projectors under $40 — Affordable gadgets for kids and adults, tried and tested
Buying guides These are the best budget star projectors you can buy in every category, from Astronaut Starry Sky and Cadrim to Dinosaur Egg Galaxy.
China builds record-breaking floating wind turbine — it could change the face of renewable energy
Floating offshore wind turbines open a whole new playing field for energy companies, which have so far had to stick to shallow waters.
Best headlamps 2025 — Lightweight, bright and long-lasting
Whether you're navigating remote trails, photographing the stars or bird watching after dark, these headlamps offer dependable performance when it counts.
Best home weather stations 2025 — measure rainfall, wind and more
These are the best home weather stations you can buy in every category, from the best budget to the best for storms.
How AI companions are changing teenagers' behavior in surprising and sinister ways
Opinion A recent report found about three in four US teens have used AI companion apps – many of which have little to no safeguards from harmful content.
Five simple wildlife photography tips for better shots without fancy gear
Capture stunning wildlife shots with the gear you already own — no fancy kit needed, just smart tips, good light and a bit of patience.
Meta AI takes first step to superintelligence — and Zuckerberg will no longer release the most powerful systems to the public
The Meta CEO believes that AI with the capacity to improve itself is the first step towards a technology that will transform humanity.
Best wildlife lenses under $1,000 — ideal for safari or even birds in the park
These are the best wildlife lenses you can buy in 2025
