LI-FI: HOW IT WORKS
What type of light bulb is used in Li-Fi to send data?
An LED bulb
What is the maximum speed of Li-Fi mentioned in the text?
224 Gbps
Who founded Neuralink?
Elon Musk
Which video game did Pager play using only his brain?
Pong
Which group of people could benefit from Neuralink by walking again?
Paraplegic people
Which part of the electromagnetic spectrum does Li-Fi use?
Visible light
What is the maximum speed of Wi-Fi 6E mentioned in the text?
11 Gbps
How many electrodes were implanted in Pager’s brain?
2,000 electrodes
What reward did Pager receive for playing correctly?
A banana smoothie
Which organization criticized Neuralink for animal testing?
PETA
What property of light does Li-Fi change to transmit data?
The intensity of the light
Why is Li-Fi considered more secure than Wi-Fi? What can its signal NOT do?
It cannot pass through walls
In which part of the brain were the electrodes placed?
The motor cortex
Which wireless technology connected Pager’s brain device to the computer?
Bluetooth
What could allow a paralyzed person to use a smartphone faster than normal?
Using their mind
What device receives the Li-Fi signal and converts it into data?
A photodetector
What problem can Wi-Fi radio signals cause in places like hospitals?
It can interfere with electronic devices
What is the process called when the system learns to interpret brain signals?
Calibration
After training, what did Pager need to do instead of moving his hand?
The intention to move the joystick
How should information flow between the brain and the device in the future?
In both directions
Which everyday devices use a similar signal transmission method to Li-Fi?
Infrared remote controls
How are companies like Apple and Samsung using Li-Fi alongside Wi-Fi?
They are used as complementary technologies
What type of machine was created to implant the electrodes safely?
A surgical robot
How old was Pager during the experiment?
9 years old
What kind of enhanced ability could these technologies give humans?
Superhuman abilities