In philosophy the question of perception is quite important. Because if what we see, hear, feel, smell, etc is a fake... many explanations will fail.
Scientists frequently speculates using Brain in a vat experiment. Many of us know it as the Matrix. Is it really possible?
Definitely yes:
- In 1992 The Lawnmower Man moview was very fantastic. Nowadays virtual reality environment is as simple as smartphone with a VR gadget. Progress never stops, so sooner or later we will have such gadgets that will interface directly with our brain.
- It's easy to explain that this is theoretically possible. Did you ever have realistic dreams? Many of us did. But all movements, sounds and pictures are just a result of our brain. They were not real.
