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radar

How Radar Works
Image: iStockphoto.com/RaStudio

How Radar Works

Radar, as you'll see below, arrived just in time to save England and maybe the world. Soon, radar may allow people to nap while their cars drive them around.

How could bouncing radio waves off things to detect their position and speed be so important to driving and defense, not to mention weather forecasting, air travel, and archaeology? Find out here.

HowStuffWorks
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Self-Driving Cars Are Mastering City Streets

Self-Driving Cars Are Mastering City Streets

Pedestrians, cyclists, trains, construction zones…Could self-driving cars ever handle all that? Equipped with advanced radar and software, they're handling it already! More...

Article
CNN
Radar Imaging Reveals Ancient Egyptian Underground City

Radar Imaging Reveals Ancient Egyptian Underground City

Beneath fields and a modern town in Egypt, radar has uncovered houses, streets, temples, and cemeteries. They're part of a buried city 3,500 years old. More...

Article
The Guardian
A Brief History of Radar Remote Sensing

A Brief History of Radar Remote Sensing

Follow the development of radar with this timeline. But when you get to April 2, 1935, STOP and watch the film about radar and World War II. It's amazing! More...

Interactive
University of Edinburgh
Making Waves: Robert Watson-Watt, the Pioneer of Radar

Making Waves: Robert Watson-Watt, the Pioneer of Radar

Imagine knowing you had saved your country and maybe even the world. Meet radar pioneer Robert Watson-Watt. More...

Profile
BBC
Snow Science: Tracking Snow with Radar

Snow Science: Tracking Snow with Radar

Radar's better at tracking raindrops than snowflakes, and has a few limitations. Find out more about weather radar. More...

Video
OnTheSnow
New Technology Allows Better Extreme Weather Forecasts

New Technology Allows Better Extreme Weather Forecasts

Take a look at the enhanced radars, satellites, supercomputers, and other tools NOAA researchers and engineers are using to forecast extreme weather. More...

Article
Scientific American
Radar Plane Scans Volcanoes, Archaeological Sites

Radar Plane Scans Volcanoes, Archaeological Sites

A NASA plane with advanced radar can detect changes as small as a centimeter (less than half an inch) in volcanoes, glaciers, farm lands, and many others. More...

Article
NBC
Science of Radar

Science of Radar

A radar system may alternate between transmitting and receiving 1,000 times per second. Read about radar in a nutshell here. More...

Article
Dynamic Science Education
Space Radar Images of Earth

Space Radar Images of Earth

Discover how much space-based radar is telling us about mountains, oceans, cities, climate change, and more. View the images and make sure to click the links. More...

Images
NASA/JPL
Stealthy Shapes: How to Make an Aircraft Invisible to Radar

Stealthy Shapes: How to Make an Aircraft Invisible to Radar

Dreamed of being invisible? Engineers make planes almost invisible to parts of the EM spectrum. Get a feel for how with this activity. (Or just read the excellent "background" section.) More...

Activity
Science Buddies
Understanding Weather Radar

Understanding Weather Radar

Here's a guide to understanding the splotches, bands, and weird shapes that appear on weather forecasters' radar screens. More...

Images
USA Today
Wind Turbine or Airplane?

Wind Turbine or Airplane?

Wind turbines and aircrafts are competing for wide-open air space. Read on to find out more about the new technology that can tell the difference between the two. More...

Article
Scientific American

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