Engineering Design
-
Cookie Science 15: Results aren’t always sweet
From my latest experiment, I now know how to make a cookie that my friend can enjoy. But here’s a puzzle: I could not repeat some results from my first set of tests.
- Agriculture
Ditching farm pollution — literally
An Indiana project shows how fighting fertilizer runoff can save farmers money, protect wild habitats and prevent harmful algae blooms.
- 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
- Chemistry
Goopy tech leaves older 3-D printing in its wake
A new way of 3-D printing combines light and oxygen to create solid objects from liquid resin. The method quickly creates detailed objects.
-
Cookie Science 14: One experiment, 400 cookies
Making delicious gluten-free cookies requires testing. And this means baking a lot of cookies with scientific precision.
- 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.
- Tech
‘Smart’ clothes generate electricity
Scientists in South Korea have developed a fabric that captures energy from its wearer’s motions and turns it into electricity.
- Space
Galaxy cluster creates ‘magnifying glass’ in space
A massive galaxy’s gravity is so strong that it bends light, creating a “lens” in space. This natural magnifying glass is giving astronomers a rare view of a supernova on the other side of the universe.
- Tech
Museum app fleshes out old bones
Museum app breathes life into skeletons. But it will need more funding to make it shine.
- Health & Medicine
How hot peppers can soothe pain
Peppers can burn the tongue, but soothe sore tissues. Scientists have now sleuthed out how, and the answer shows a role for stretch sensors on cells.
- Health & Medicine
Vision-ary high tech
New devices are being developed to improve, restore or preserve the vision of people with eye diseases, such as glaucoma and macular degeneration. One device is a telescopic contact lens than can be zoomed with a wink.
- Materials Science
‘Smart’ windows could save energy
Tiny chemical droplets in a liquid sandwiched between panes of glass turn cloudy when they warm up. This will block some sunlight and potentially save on air conditioning bills.
