You've heard of Rent-a-Cops before, but this is the real deal. A recently released app called "Patrol" has rolled out to select neighborhoods in Los Angeles, including Brentwood, Beverly Hills, Bel Air, Holmby Hills, and Malibu, with "more areas

Chinese researchers say they have devised a new way to extract water from lunar soil and convert it into fuel. As detailed in a new paper published today in the journal Joule, the team found that their proposed "photothermal strategy" — essentially