Star Wars - Holograms and bionic limbs
- A hologram: As seen in the first Star Wars movie, a hologram is a 3D image made from the interference of light beams from a laser onto a 2D surface. In 2018, researchers created a real hologram. At present, it can only be done on a very small scale.
- Bionic limbs: After losing his hand, Luke Skywalker receives a bionic version that can function like a normal hand. Recently researchers have developed a way for amputees to control each of their prosthetic fingers using an ultrasonic sensor.
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