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Does tinfoil on your hubcaps bypass police radar?

auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/does-tinfoil-on-hubcaps-bypass-police-radar.htm

Metal is super reflective, but it might not reflect a stop by the police. Learn if tinfoil on your hubcaps helps bypass police radar at HowStuffWorks.

How Wireless Speakers Work

electronics.howstuffworks.com/gadgets/audio-music/wireless-speakers.htm

Wireless speakers can eliminate some of those pesky audio cables. While they do have advantages, wireless speakers also come with some strings attached.

What Is Radar?

science.howstuffworks.com/radar.htm

Radar is used to track storms, planes, and weapons and also to create topographic maps. Learn about radar, radar technology and Doppler shift.

What is a wavelength?

science.howstuffworks.com/what-is-wavelength.htm

Wavelengths are used to measure the size of a wave. Learn about wavelengths in this article.

How the Doppler Effect Works

science.howstuffworks.com/science-vs-myth/everyday-myths/doppler-effect.htm

The Doppler effect is why you hear the sound from a moving object change as it nears and passes you. Find out how the Doppler effect works.

What if I Put Aluminum Foil in the Microwave?

science.howstuffworks.com/aluminum-foil-in-the-microwave.htm

We've all been told not to put aluminum foil in the microwave. Stories of incredible explosions and fires are usually at the center of these ominous warnings. Why is that?

How Do Wireless Chargers Work?

electronics.howstuffworks.com/gadgets/other-gadgets/wireless-mobile-charger.htm

Although we love our mobile gadgetry, all those charging cords are annoying to keep up with and carry around. Does it ever make you wonder, how do wireless chargers work? Find out how wireless chargers ditch the cables and power up your gear!

How fMRI Works

science.howstuffworks.com/fmri.htm

fMRI, or functional magnetic resonance imaging, looks at blood flow in the brain to detect areas of activity. Learn about fMRI and its invention.

How 5G Works

electronics.howstuffworks.com/5g.htm

Ever been to a concert and not been able to get a signal on your smartphone? 5G promises to take care of that but it could be years before we see results.

How does SETI home work?

computer.howstuffworks.com/question204.htm

How does this SETI@home thing work? I keep hearing about it on the radio but no one really explains what's going on. What do extraterrestrials have to do with screen savers?

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