Ever stain your shirt right before a big event like an interview or a first date? If you don’t have enough time to change or wash your clothes, look no further than the Thanko ultrasonic blade stain ...

An ultrasonic knife is a blade that vibrates a tiny amount at a high frequency, giving the knife edge minor superpowers. It gets used much like any other blade, but it becomes far easier to cut ...

DALLAS -- Southwest Airlines sought more time last year to inspect fan blades like the one that snapped off during one of its flights Tuesday in an engine failure that left a passenger dead. The ...