Engineering

Solar-powered gel pulls drinking water from the air

Scientists in recent years have sought to efficiently draw moisture from ambient air and condense it into potable water using materials made of salt and absorbent polymers. But these materials, known as hydrogels, until now ...

Business

Microsoft boss to testify on his role in OpenAI's founding

Microsoft CEO Satya Nadella is expected to take the stand Monday in Elon Musk's lawsuit against OpenAI, to explain emails that revealed how his company funded the ChatGPT creator's shift from philanthropic organization to ...

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