Search Results | 1990s in science and technology

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Is fluoride considered a poison in most European countries?

health.howstuffworks.com/wellness/oral-care/products/fluoride-poisoning.htm

Fluoride is commonly added to drinking water but could be dangerous. Learn about fluoridation and fluoride poisoning.

Let's Go to the 1893 World's Fair, Without a Time Machine

history.howstuffworks.com/historical-events/virtual-reality-1893-worlds-fair.htm

You can visit the 1893 World's Fair, with some help from virtual reality. Learn about how virtual reality is changing history at HowStuffWorks Now.

What are fit and finish and why do they matter?

auto.howstuffworks.com/under-the-hood/auto-manufacturing/fit-and-finish.htm

What are fit and finish and why do they matter? Visit HowStuffWorks to learn about fit and finish and why they matter.

How NASCAR In-car Cameras Work

auto.howstuffworks.com/auto-racing/nascar/nascar-basics/nascar-in-car-camera.htm

NASCAR in-car cameras have been around since the 1980s, but few know how NASCAR in-car cameras work. Learn how NASCAR in-car cameras work here.

How Virtual Reality Works

electronics.howstuffworks.com/gadgets/other-gadgets/virtual-reality.htm

Virtual reality uses a computer to create a simulated three-dimensional world. Find out how virtual reality works and learn about the future of virtual reality.

How 3-D Bioprinting Works

health.howstuffworks.com/medicine/modern-technology/3-d-bioprinting.htm

Bioprinting is an offshoot of 3-D printing that aims to allow scientists and medical researchers to build an organ. Learn more about bioprinting.

Project Blue Beam: A Conspiracy Theory Straight out of 'Star Trek'

science.howstuffworks.com/science-vs-myth/project-blue-beam.htm

Conspiracy theories: love them or hate them, they aren't going anywhere soon. For a conspiracy theory to have real staying power, it needs both a compelling narrative, and an audience who is either unable or unwilling to practice healthy skepticism.

How Scientific Peer Review Works

science.howstuffworks.com/innovation/scientific-experiments/scientific-peer-review.htm

Scientific peer review is a quality-control system that critiques all new scientific discoveries. Learn more scientific peer review and its flaws.

10 Alternative Fuel Ideas That Never Made It Out of the Lab

auto.howstuffworks.com/fuel-efficiency/alternative-fuels/5-alternative-fuel-ideas.htm

You might be surprised by some of the alternative fuel solutions mentioned in this article. Read about ten somewhat odd alternative fuel solutions.

Who's Your Daddy? The History of Paternity Testing

science.howstuffworks.com/life/genetic/history-paternity-testing.htm

Before the widespread use of DNA, establishing the paternity of a child was a tricky business. Ever heard of the oscillophore?

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