How Do Airbags Deploy So Fast?
Using sodium azide and a chemical rapid expansion to inflate the bag in milliseconds.
How Do Anti-Lock Brakes (ABS) Work?
Pumping the brakes thousands of times a second to prevent the tires from skidding.
How Do Elevators Not Fall?
The braking systems, counterweights, and safety mechanisms keeping elevators safe.
How Do Smoke Detectors Work?
Using a tiny bit of americium-241 to ionize the air, triggering an alarm when smoke disrupts it.
How Does a Fire Extinguisher Work?
Removing one of the three elements of the fire triangle: heat, oxygen, or fuel.
What is a Geiger Counter?
A device used to detect and measure ionizing radiation.