Stacia Kelly

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This yarn makes its own electricity

Batteries not required.<p>In the future, your workout—or your workout gear, to be precise—might generate enough energy to charge your activity tracker. Researchers from the University of Texas at Dallas and South Korea’s Hanyang University (among other institutions) have figured out that by twisting …

Nanotech

Simple & Effective Speaking Rubric For Class Presentations

Talented student teacher Kevin Inlay created this simple and effective speaking rubric that we used with class presentations in our ELL World History …

Ask Ethan: What Is Spacetime?

When it comes to understanding the Universe, there are a few things everyone’s heard of: Schrödinger’s cat, the Twin Paradox and E = mc^2. But despite being around for over 100 years now, General Relativity — Einstein’s greatest achievement — is largely mysterious to everyone from the general …

Physics

Researchers demonstrate acoustic levitation of a large sphere

When placed in an acoustic field, small objects experience a net force that can be used to levitate the objects in air. In a new study, researchers …

Why Drones Actually Can't Deliver Packages to Homes

The new FAA rules that allow commercial use of drones still won't allow Amazon's package delivery plans. The FAA is not the real problem. The laws of physics are. Here's why.<p>On June 21, the FAA finalized rules for commercial UAVs, or drones. While commercial applications for drones vary from aerial …

10 best education apps for Android

Mobile technology is an amazing thing. It’s one of the most revolutionary productivity tools of all time, but it doesn’t end there. You can use your smartphones and tablets to help teach yourself new skills and learn new things. Here are the best education apps for Android!<p>EdX<p>Price: Free<p>DOWNLOAD ON …

Apps

3tags.org is coming soon

Crazy Illusion Somehow Transforms Rectangles Into Circles in the Mirror

What in the sorcerous hells is this? Kokichi Sugihara’s ‘Rectangles and Circles’ illusion is a mind-bending visual trip that turns squares into …

The Remarkable Effects Music Can Have On Student Success

Music can Have a Powerful Impact on Students’ Mindset and Academic Performance As an avid fan of many types of music, and a recording singer, …

Education

Researcher finds possible evidence for a human sixth sense

Could it be possible that humans have a sixth sense after all? A researcher who has dedicated his life to analysing how human’s interact with the …

13 incredible science facts you probably didn't learn in high school

1/<p>1. Water can boil and freeze at the same time<p>Seriously, it's called the "triple point," and it occurs when the temperature and pressure is just …

Science

Appliance Science: How wireless power works

Need to charge your phone? Just plug it in. But what if you could charge it without wires, transmitting electricity through the air to your phone? It's no pipe dream: on many modern phones, you can charge your devices without wires using a wireless charger.<p>Samsung offers this feature built into the …

WATCH: The Blackest Material on Earth Can Make Dense Metal Float

Whoa!<p>One of the very first things you'll learn in science class is that if something is denser than water, it sinks. A rock or a hunk of metal is …

First particle-beams of 2016 in Cern's Large Hadron Collider

The LHC has begun circulating proton beams again, after a 13-week maintenance break. What are the next steps?<p>It was definitely a “maintenance break”, not a holiday. Those accelerator people don’t care about holidays, as indicated by that fact that, like last year, they are working over Easter. …

How NASA plans to protect Earth from asteroid strikes

While the likelihood of an asteroid colliding with Earth is small, the result could be disastrous.<p>In response to the general threat, NASA has been mobilizing its resources and coordinating with other agencies to prevent such an event from happening.<p>Last month, the agency announced that these …

Astronomy

Scientists Explain the Physics of the Perfect Pancakes

Have you ever wondered why your pancakes sometimes have ugly craters, or a weird ring around their edges? A new analysis of pancake recipes could …

Kids don't like physics and maths: study finds out why

Britain will face a shortage of engineers, scientists and mathematicians within the next few years unless more pupils are encouraged to take up the subjects at school<p>Young people are dropping technical subjects such as maths and physics at A-Level because of outdated career advice and pressure to …

Physicist fires a gun at himself underwater to prove a point

You've got to hand it to the scientist in the above video: No matter how sure he was about what would happen when he fired the gun at himself, it …

Watch Stephen Hawking and Paul Rudd Face Off in a Game of Quantum Chess

Quick, who would win in a game of quantum chess: the brilliant, world-renowned theoretical physicist Stephen Hawking, or the goofy, lovable actor …

Video: A physicist puts his “life on the line” for the love of science

Explaining complex theories of physics to the average person is tough, so physicist Andreas Wahl took another approach: performing a death defying stunt.<p>Wahl wanted to explain Newton’s second law of circular motion and how objects with a centripetal force (which compels them to travel in a curved …

So You Want To Eat Snow. Is It Safe? We Asked Scientists

<i>Editor's note: A version of this post first appeared in January 2015.</i><p>Many people will see the snow currently blanketing much of the U.S. Eastern Seaboard as a nuisance coating sidewalks and roads. Others are celebrating it as an excuse to spend the day swooshing down a hill.<p>As for me, I like to …

University of Washington

Spaced repetition: a hack to make your brain store information

Using spaced repetition as a study technique is effective because you are deliberately hacking the way your brain works<p>Late night dates with a 600-page textbook and a multipack of Red Bull are a familiar encounter for many people. Whether in school, university or work, we all find ourselves in …

The Brain

For Teachers | MIT OpenCourseWare | Free Online Course Materials

Welcome to Highlights for High School!<p>This section will show you how you might use Highlights for High School and OpenCourseWare.<p>It is intended …

Here's How to Build a Real Lightsaber, According to Science

Just try not to lose an arm, okay?<p><i>This article was written by Gianluca Sarri from Queen's University Belfast, and was originally published by The</i> …

16 Fantastic Photos That Pretty Much Broke The Laws Of Physics

Nobody likes someone who scoffs at the law. Unless there are cool results – and they're laws of nature rather than human laws. And nobody gets hurt. …

11 mind-melting photos will make you realize how shockingly small Earth is

But we rarely, if ever, stop to think about the vast beyond. And we should!<p>Former astronomer Carl Sagan wrote in his book "Pale Blue Dot: A Vision of the Human Future in Space":<p>There is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world. To me, …

Astronomy

Four elements earn permanent seats on the periodic table

The seventh row of the periodic table is officially full.<p>On December 30, the International Union of Pure and Applied Chemistry announced that a …

The Beauty of Eintein's General Theory of Relativity

Physics is so beautiful.<p><i>This article was written by Margaret</i> <i>Wertheim from the University of Melbourne. It was originally published by The</i> …