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What Is a Relational Database? Example and Uses

computer.howstuffworks.com/question599.htm

The relational database was born in 1970 when E.F. Codd, a researcher at IBM, wrote a paper outlining the process. At the time, databases were "flat," and stored as one long text file. Explore a relational database example and various uses!

Can we make tailpipes that capture CO2?

auto.howstuffworks.com/tailpipe-capture-co2.htm

Tailpipes that capture CO2 would make a dent in humans' contributions to greenhouse gas emissions. Learn about tailpipes that capture CO2 and if they exist.

What is the Internet Tax Freedom Act?

money.howstuffworks.com/personal-finance/personal-income-taxes/internet-tax-freedom-act.htm

What is the Internet Tax Freedom Act? It's a U.S. law that keeps your Internet access tax-free. Learn what is the Internet Tax Freedom Act.

Knight

history.howstuffworks.com/european-history/knights.htm

Knights, in the Middle Ages, were warrior horsemen. A knight was called Sir, and was usually of a noble or a genteel family.

What Does 'BPA Free' Mean and Why Does It Matter?

science.howstuffworks.com/environmental/green-science/bpa.htm

The chemical BPA (bisphenol-a) often found in consumer goods, may be linked to human health problems. Learn more about BPA in polycarbonate plastics.

How to Deal With Motion Sickness

health.howstuffworks.com/mental-health/neurological-conditions/how-to-deal-with-motion-sickness.htm

Motion sickness can occur in almost any type of transportation. Learn tips to help avoid this uncomfortable state.

How Rapid Drink Chillers Work

electronics.howstuffworks.com/gadgets/kitchen/rapid-drink-chillers.htm

Rapid drink chillers are great kitchen gadgets to have around the house. Learn more about rapid drink chillers at HowStuffWorks.

Why Electric Fireplaces Are Hot

home.howstuffworks.com/home-improvement/heating-and-cooling/electric-fireplaces.htm

There's just something about sitting in front of a fire that soothes the soul. And electric fireplaces make whiling the hours away in front of those flickering flames as simple as flipping a switch.

Planetarium

science.howstuffworks.com/dictionary/astronomy-terms/planetarium-info.htm

Planetarium, is an educational device for showing the locations and movements of the planets and other objects in the universe.

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