Almost a tricorder! Now here is a medical device that does seem to hail from the future – the Infrascanner 2000 which is capable of performing rapid CT screening even when one is in the field. The device looks like a modern, technologically [.
Everyone might find himself in emergency situation under water somehow, what's better than wearing a life ring on wrist? Once you pull the bracelet when you are in danger, the slim bracelet will rapidly expand to a life ring to keep you afloat