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In Pictures: Euclid sends back first test images

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The first test images produced by ESA’s Euclid probe are here and hint at the amazing power of the imaging power on board. These test images are simply just that – future images will be even more detailed and much sharper and cleaner. The Euclid Telescope has been built and designed by ESA and the Euclid Consortium to explore the evolution of the dark universe, discovering how it formed and expanded over time. In order to do this, it has been fitted with a 1.2m-diameter telescope, visible-wavelength camera, and near-infrared camera/spectrometer. Using these instruments, Euclid will build a detailed 3D map of the Universe – the third dimension being time. During its mission, Euclid aims to answer some pretty big questions, such as if the expansion of our Universe is uniform or whether it changes over time. And whether or not our understanding of gravity is complete and accurate. The Near-Infrared camera This raw image was taken by Euclid’s Near-Infrared Spectrometer and Photom

Best solar panels for your home in 2023: power up with green and clean

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We’re well-versed in the benefits of solar power, and many homes are now choosing a greener path when it comes to generating power for day-to-day appliances. By placing solar panels on your roof, you can power your home with the clean, versatile and increasingly affordable form of renewable energy. You’ll likely have seen a few solar panels making an appearance on your street, and if you’re looking to join the club, you’re in the right place. Solar panels are perhaps more accessible than you may think, with sets available from energy companies, online retailers and specialty stores. We’ve gathered a list of solar panel options, so you can find the right fit for your home. Whether you’re looking to power up a garden office, or create your own electricity in an off-grid location, we’ve got you covered. You can also jump to our short buyer’s guide on what to consider when buying solar panels . Fancy charging on the go? Check out the best caravan solar powers .   Best solar panels fo

Best walkie talkie for keeping connected in 2023

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While technology advances, you may have thought the walkie talkie would be left behind. You’d be wrong. They’re still a trusted tool for event organisers, construction workers, outdoor enthusiasts and other individuals looking for quick, responsive communication. It’s not hard to see why. Walkie talkies remove the need to dial numbers or wait for phone calls to connect, plus there are no charges for network coverage as they operate on dedicated frequencies. If you’re looking to pick up a walkie talkie today, we’ve listed our top picks below. Best walkie talkies 2023 Best all-rounder for a big group Retevis RT27 Walkie Talkie With a PC plastic shell and a thickened alloy metal middle frame, the RT27 from Retevis is designed to withstand pressure, falls and impacts. It features a range of up to 2.7 miles in open areas and 0.7-1.4 miles in urban environments. Its VOX (Voice-Activated Transmit) functionality allows for hands-free operation and it also includes useful features li