Engineering Design
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TechFighting theater pirates
How can theaters thwart thieves from unlawfully recording a movie during a showing? A high-school freshman’s low-cost solution relies on simple physics.
By Sid Perkins -
TechMaking magic with mechanical engineering
As kids, we all want to make magic. But Michelle Phillips took that dream further. She realized that she wanted to build rides for amusement parks.
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ComputingElectricity: Cutting the cords
Engineers are working to charge more wireless gadgets — without relying on cords and plugs.
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Science & SocietyStudents use STEM to help their community
Every community has its problems. A nationwide contest encourages students to tap science to solve local needs.
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ChemistryUrine may make Mars travel possible
On Earth, urine is a waste. En route to Mars, it could be a precious renewable commodity: the source of drinking water and energy.
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PhysicsWorld’s coolest ‘clock’ is also crazy-accurate
This is the time to beat — the world’s most accurate atomic clock ever. At its heart is a ‘fountain’ of cesium atoms chilled nearly to absolute zero!
By Janet Raloff -
Teaching clean energy with the power of wind
A build-your-own wind energy machine can be a fun and inexpensive way to practice engineering and discover the power of wind.
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PhysicsSending student science to space
Two teachers describe how they worked with the Student Spaceflight Experiments Program to get middle-school scientists excited about research and space.
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PhysicsFilter lets in only the right light
Scientists have built a light filter that only permits light coming from one desired angle to pass through. Built from alternating layers of transparent materials, it could help minimize the glare in telescopes and cameras or boost the efficiency of solar cells.
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ComputingIntel STS finalist’s computer program models social life
Ajay Saini has brought together math and computer science to show how habits spread within social groups. His new computer program could help promote healthy habits.
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Health & MedicineExplainer: What are e-cigarettes?
New battery-powered devices deliver nicotine, a dangerous and addictive drug.
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Health & MedicineIntel STS finalist uses math to help the blind
Intel Science Talent Search finalist Alec Arshavsky has built a computer program to help make sure people receive the right eye transplants to help reverse blindness.