Why Does That Happen?: Physics Explained
There are numerous technologies we take for granted without really thinking about why. There are also a lot of physical phenomena that do things that seem to defy reason if not physics. The following are a few physics questions that explain why some things work the way they do.
- Why are old windows thicker at the bottom? - Liquid Properties of Glass
- Why are car headlights polarized? - The Benefits of Polarization
- How do elevators work? - Counterweights, Pulley's & Elevators
- Why do some objects float in salt water but not regular water? - Density & Salinity
- Why do some tests require only "number 2" pencils? - How Scantron Tests Work
- How do lasers work? - Laser Basics
- What is a Tesla coil? - History, Safety Concerns, & More
- What is the difference between alternating & direct current? - Comparison & Information
- What does terminal velocity mean? - Introduction & Formula
- Why do Mentos make soda explode? - Carbonization & Nucleation Points
- What does 'bus' mean in a computer? - Buses & Disks in Computing
- How do colored soaps produce white foam? - Foam Activity Explained
- What does led backlighting mean? - LED Technology Advancements
- Why does the mirror flip images horizontally but not vertically? - Mirror Science
- How do 'mag lev' devices function? - An Introduction to Superconductivity
- What is the difference between gravity and magnets? - Gravity vs. Magnetism
- What does RAM mean? - RAM Meaning & Types
- How did old reservoirs function without pumps? - Geology & Reservoirs
- How does an air conditioner work? - Refrigeration & Energy
- Why do cars get so hot in the sun? - The Greenhouse Effect
- What's in mayonnaise? - Toxins, Eggs, and Acidity
- How does flash memory work without a battery? - A Technological Overview
- What's the difference between a regular camera and a digital one? - Digital Image Processing
- How do bats see at night? - Bat Facts
- Why don't pandas hibernate? - Questions About Giant Pandas
- Is a space elevator possible? - The Physic of a 'Space Elevator'
- How does GPS work? - GPS Technology & Accuracy
- What does a carburetor do? - Carburetors, Fuel Injection, and Fuel Efficiency
- How does carbon dating work? - Techniques & Basics
- How are microprocessors made? - Printable Semi-Conductor Manufacture
- Did dinosaurs have scales or feathers? - The Dinosaur Bird Relationship
- Do snow tires work better in snow than regular tires? - Snow Traction Technologies
- Are hybrid cars really more fuel-efficient? - Gas, Hybrid, & Electric Cars
- How do solar panels work? - Solar Energy Information
- Why are diamonds so shiny? - Gems & Light Dispersion
- How can DNA tell so much about your ancestors? - Mitochondrial DNA & Ancestry
- What does the theory of relativity mean? - An Introduction to Special Relativity
- How does a radio work? - The Technology Behind Radio Waves
- What makes WiFi secure? - Wireless Security Techniques
- How do crosswalk lights work? - Background & Statistics
- Why do fireflies glow? - Chemistry of Luminous Insects