Romulan Cloaking Device
We saw early on that Romulans could make their ships disappear, and researchers are now working to bend light in hopes of achieving a similar effect.
It was used to make the tanks that held the whales in “Star Trek IV”, and it exists in the real world under the name ALON.
Tricorders are a Star Trek standby, and “lab-on-a-chip” technology is putting something very similiar on the International Space Station.
Giordi La Forge saw the world through a special visor, and Bionic Vision Australia is working on a system to help blind patients recover some of their vision.
Medical technologies like jet injections and ultrasound surgery mirror elements of Dr. McCoy’s sickbay.