MS-ETS1-2
Evaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem.
- Physics
How to catch a gravity wave
Physicists have just announced finding gravity waves. The phenomenon was predicted a century ago by Einstein’s theory of general relativity. Here’s what it took to detect the waves.
- Microbes
Powered by poop and pee?
Scientists are developing methods to not only remove human waste from wastewater, but also to harness the energy hidden within it.
- Health & Medicine
Cool Jobs: Researchers on the run
Researchers are taking running to extremes, from Olympic lizards to treadmills in space. The goal is to learn how athletes of all kinds can stay healthier.
- Physics
Boom! Sounding out the enemy
Armistice Day marked the end of the Great War. But what arguably won the war was acoustics — the science of sound. It allowed Allied troops to home in on and rout the enemy.
- Tech
How to print shape shifters
3-D printing was only the beginning. Scientists are pursuing 4-D printing, creating objects that can move and interact with their surroundings.
- Chemistry
The science of getting away with murder
A student took her love of crime shows to the next level. She did a science fair project to find out which cleaner works best at getting rid of bloody evidence.
- Materials Science
Keeping roofs cooler to cut energy costs
Cool it! A cheap paint-on coating for roofing shingles could help reduce a home’s heating bills and might even trim urban ozone levels, a teen shows.
- Tech
Teens want to make windshield wipers obsolete
Windshield wipers often can’t keep up with the rain. High-intensity air sprays might one day take their place, according to research by two teens.
- Tech
Cool Jobs: Big future for super small science
Scientists using nanotechnology grow super-small but very useful tubes with walls no more than a few carbon atoms thick. Find out why as we meet three scientists behind this huge new movement in nanoscience.
- Space
Mini-sats: The trick to spying Earth-bound asteroids?
NASA is supposed to begin nonstop screening by 2020 for all asteroids that could pose a threat to Earth. Some astronomers now think the only way to affordably meet that deadline is by using mini-satellites
- Computing
3-D Recycling: Grind, melt, print!
A new 2-in-1 desktop machine quickly recycles plastic trash into low-cost 3-D printer ‘ink’ at the push of a button.
- Physics
Machine simulates the sun’s core
A machine heats iron atoms to temperatures that match the interior of the sun. This has helped solve a solar mystery.
