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Solar Panels That Make Electricity at Night are Finally Here – And They’re Cheap and Don’t Need Batteries

About 750 million people in the world do not have access to electricity at night. Solar cells provide power during the day, but saving energy for later use requires substantial battery storage. Researchers from Stanford University constructed a photovoltaic cell that harvests energy from the environment during the day and night, avoiding the need for… Keep Reading

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Airbnb is Setting Up 100,000 Refugees From Ukraine With Free Housing has announced it will offer free, short-term housing to up to 100,000 refugees fleeing Ukraine. Airbnb’s co-founders have already sent letters to leaders across Europe, starting with those in Poland, Germany, Hungary, and Romania—offering support in welcoming refugees within their borders, and promising to work closely with governments to best support the specific needs in… Keep Reading

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