How Computers Work by Ron White

Question 1

What are the six simple machines?

Answer 1

Wheel and Axle
Lever
Pulley
Inclined Plane
Wedge
Screw

Question 2

Nikola Tesla on Understanding the Universe

Answer 2

If you want to find the secrets of the universe, think in terms of energy, frequency, and vibration.

Question 3

Electricity and light are two facets of ____

Answer 3

an electromagnetic spectrum

Question 4

What are the two types of waves?

Answer 4

Transverse waves - molecules vibrate up and down

Longitudinal waves - molecules vibrate back and forth

Question 5

Can longitudinal waves travel through the air?

Answer 5

No, gases do not have the elasticity to sustain longitudinal waves, and so these waves can only travel through solids or liquids.