Motion and Stability: Forces and Interactions
- Tech
Explainer: What is the electric grid?
Most of us get electricity through a huge system of power lines and equipment that together are known as the electric grid. Here’s how it works.
- Physics
An ancient plant inspires a new lab tool
Researchers have designed a lab tool that moves liquids from one place to another by mimicking a plant called a liverwort.
- Chemistry
Hard-to-burn ‘smart’ wallpaper even triggers alarms
Scientists have made wallpaper that won’t easily burn. And embedded nanowires can be linked to a sensor to sound an alarm when the paper gets too hot.
- Tech
This power source is shockingly eel-like
The electric eel’s powerful electric charge inspired this new squishy, water-based new approach to generating power.
- Animals
Analyze This: Electric eels’ zaps are more powerful than a TASER
Shocking! A biologist reached his hand into a fish tank and let an electric eel zap him. It let him measure precisely how strong a current it could unleash to defend itself.
- Physics
Disabilities don’t stop these experts in science and tech
People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.
- Tech
Therapeutic robots may soon swim within the body
Scientists are designing tiny robots that may one day do work inside the human body.
- Tech
Teen’s invention could help light up bikes at night
A teen researcher from Georgia has developed a light that could replace reflectors on bike wheels. Flexing tires provide all the power it needs.
- Tech
Teens garner some $4 million in prizes at 2017 Intel ISEF
Hundreds of teens collectively took home about $4 million in awards from the Intel International Science and Engineering Fair this week.
- Physics
Why your shoelaces untie themselves
High-speed video shows how the combined motions of a shoe’s swinging and landing on the ground provoke shoelaces to come untied.
- Planets
How Earth got its moon
How did our moon form? Scientists are still debating the answer. It may be the result of some one big impact with Earth — or perhaps many small ones.
- Tech
Father and son harness magnetic fields for new type of 3-D printing
A dad and his son have developed a new 3-D printing method in their basement. It harnesses pulsed magnetic fields to build metal objects one tiny aluminum drop at a time.
