Key points from article :
Elon Musk's Neuralink company has shown its first patient moving a cursor on a computer using an implanted device.
Noland Arbaugh, paralyzed from a diving accident, used the implant to play chess online.
Neuralink's device is implanted in the skull and reads neuron activity.
The chip translates brain signals into commands for a computer cursor.
The company aims to use this technology for people with neurological conditions.
Patient said the surgery was easy and the implant improved his quality of life.
Also run trials in pigs and claimed that monkeys can play a basic version of the video game Pong.
