MS-ETS1-2
Evaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem.
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TechMake your own mini hovercraft
Hovercraft aren’t just the cars of the future. You can make your own with just a few household items.
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TechExplainer: What is 3-D printing?
A new type of computer printer is already doing a lot more than spraying ink onto paper. Some dispense metal, plastic, food — even cells. In short order, people may be able to manufacture almost anything from their home or office.
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TechFashioning inks to ‘print’ tissues
3-D printing may one day create life-saving tissues and organs for transplants. But first researchers are learning how to tailor cell-filled “inks” for use in inkjet printers.
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ChemistryChemistry: Green and clean
“Green” means environmentally friendly and sustainable. Green chemistry creates products and processes that are safer and cleaner — from the start.
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Wire critter shows power of surface tension
Water striders walk on water by using surface tension. Now you can do the same with a wire critter weight-lifting contest.
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Kid inventors win big with a sign in the sky
A team of kids designed a high-flying sign to help disaster victims get critical information during a potential blackout.
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Rocket competition a blast for young scientists
Young rocket scientists competed in Washington, D.C. last month, flying rockets with precious cargo: eggs. The top 10 teams split $60,000 in prizes.
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ClimateThis umbrella ‘listens’ to rain — for science
Scientists have developed an umbrella that ‘listens’ to falling raindrops. One day, a fleet of such simple rain gauges may help scientists better map weather patterns and changes in Earth’s water supplies.
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EarthNifty science
Inspired research put select high school seniors on the path to the 2014 Intel Science Talent Search finals.
By Sid Perkins -
AnimalsMosquitoes, be gone!
An extract of local seeds in Puerto Rico may be the key to keeping mosquitoes away. It kills the larval insects and repels the biting adults.
By Sid Perkins -
TechThe road less worn
Two teens have found a new use for old tires. By grinding them up and adding them to asphalt, the old rubber can create stronger, longer-lived roads. And the bonus: The process recycles tires that might otherwise have been burned, creating pollution.
By Sid Perkins -
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