Atwater's team developed a test platform to measure how lasers exert force on a microscopic "trampoline" of silicon nitride, just 50 nanometers thick. The miniature sail, a square sheet 40 microns ...

Make sure only 1 child is on the trampoline at any time. Always supervise your children. Read more about safe use of trampolines. Make sure water toys or swimming aids are suitable for your child's ...

Even though Trump has now turned soft on US adversaries and has instead gone after allies and partners, threatening them with invasions, he pursued a hawkish policy regarding Iran in his first term ...

NPR's Up First is the news you need to start your day. The three biggest stories of the day, with reporting and analysis from NPR News — in 10 minutes. Available weekdays at 6:30 a.m. ET ...