It turns out, from what I can tell, that the reason your glasses get harder to see through, is that globs of sebaceous oil somehow leap from your skin to the inside of your glasses. Those oil globs then prevent light from going directly...

This video is an educational lecture that covers the topic of ceramics, polymers, and composites. The speaker begins by discussing glass and clay ceramics, describing their properties and structure. Next, they move on to polymers and...

If you need glasses, but don’t wear them, does your eyesight get worse? Not necessarily. Corrective glasses help to compensate for a mismatch in the corneal shape of the people who need them, which helps them see clearly and reduces...

When Aaron went to Malaysia to learn about medical tourism, he became a medical tourist himself after he was mugged by a monkey. The monkey stole Aaron's glasses, and he had to have new ones made. It turned out to be pretty easy!...

Wai Lana shows you a very effective yoga technique for relieving constipation, whether mild or long-standing.

What is a good model in economics? "The Kids" asked a dozen economists in the halls of the Mount Washington Hotel in Bretton Woods, and we invite you to watch what they said.
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Good models are those that pass the test of...

Learn the rules for spelling plural nouns in English. Usually in English, to make a noun plural, you just add an -s. But sometimes that doesn't work. In this video, you will learn some rules to help you know how to spell plural nouns in...

In this phonics song for preschoolers and toddlers, kids can learn the alphabet and letter sounds in English. Each letter has a word, picture, and sounds to go along with it! Kids will love the bright...

We’re talking about your responses to Tameka Norris’s assignment to Become Someone Else and how both internal and external change are a constant and inevitable reality in our lives.

Kathy Blake is blind but two years ago she got a glimmer of hope. She heard about an artificial retina being developed by a company called Second Sight and the Doheny Eye Institute in Los Angeles. It was experimental, but Kathy was the...

Apple’s new rumored wearable has been getting a lot of buzz. The Apple Glass (or iGlasses… just kidding) will likely be an augmented reality (AR) headset. But what will they look like? Who will use them, and why? Computerworld executive...

American English pronunciation lesson explaining when to use the hard and soft sounds for C and G. Includes many examples with C and G in intial and final positions. Watch Misha and Larissa play a game making sentences with C and G words.

These short, simple life hacks are based on physics. Detangle your headphones, remove sticker residue, check if sunglasses are polarized, cool your car faster, and avoid getting static shock!

English lecture with accompanying comprehension questions to practice note-taking in an academic English setting. Topic: starting a conversation with an acquaintance.

Learn about the concept of 3D or stereoscopy and how it works in the real world. This video discusses different techniques used to create the illusion of depth, including basic squinting, anaglyph glasses, shutter glasses, and polarized...

We asked the National Science Foundation's Division of Astronomical Sciences Program Director David Boboltz: What are ways in which people can view the solar eclipse safely? Provided by National Science Foundation

We asked NSF’s Division of Astronomical Sciences Program Director David Boboltz how people can view the solar eclipse safely

Do you ever spend hours setting up and recording a video only to realize that you had a nasty reflection on your glasses during your whole video? Well, in this #shorts I will show you how to properly light yourself when you are wearing...

This video provides a brief explanation of anaglyphs and how they work, particularly in relation to 3D movies. It explores the history of anaglyphs, their use in various mediums such as comic books and advertisements, and the way they...

Jacquelyn Gill, a paleoecologist and Assistant Professor of climate science at the University of Maine, discusses coring and "tasting" the ice age. National Park Service and Schoodic Institute staff assisted with coring in 2016.

We asked NSF's Division of Astronomical Sciences Program Director David Boboltz: Where can I get solar eclipse glasses? Provided by National Science Foundation

From the section: Summary and Future Trends. In this section, you will draw everything together, learn the approach for testing AI solutions, discuss the future of attacks and explore the latest attack examples.



The aim of...

Niantic CEO John Hanke discusses the future of augmented reality with WSJ Personal Technology Columnist Joanna Stern at the WSJ D.Live conference in Laguna Beach, Calif.<br/>

Using a camera to send images to the brain; it may sound like the stuff of science fiction...and just a few years ago it was. The camera is built in to a pair of glasses, sending radio signals to a tiny chip in the back of the retina....