Interesting Inventions
This electrochemical device blows hot air over wet hair to speed up the evaporation of water.
Hair Dryer
This everyday object allows people to store and transport a colorless, odorless, and tasteless chemical substance.
Water Bottle
This gadget from 200 years ago captures and traps beams of light, enabling users to view moments from the past.
Camera
This ancient invention made from sand allows people to see through walls.
Window
An invisible network of electromagnetic signals that allows devices to communicate and exchange data with each other.
Wi-Fi