Three people were killed in another U.S. military airstrike on an alleged drug boat in the Caribbean Sea, Defense Secretary Pete Hegseth announced in a social media post. Most say Trump isn't ...

Today’s servo systems depend on accurate, consistent feedback to maintain position, control speed, and execute complex motion ...

Wasps are amazing fliers: they can change direction in an instant, abruptly hover in the air, and then swerve backwards or sideways. The wasp is a mini helicopter with extremely high ...