Laura Silver

Virtual-Reality Dental Training Is as Gory as You'd Expect

Video gaming gives dentists-to-be practice time on virtual teeth


Virtual Dental Implant Training Simulation developed by BreakAway

Video games may be good for your dental health. Not for the jaw-clenching or tooth-grinding action -- discuss these conditions with a professional if they persist in conjunction with gaming -- but because dentists will soon have access to virtual mouths before they get their hands on your chompers.

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I Don't Know: Alaska

A quest for the puffed proteins that make a meringue

Explosive activity continues at Alaska's Mount Redoubt. I paid homage to the Alaskan volcano by concocting a dessert named for the 49th state in my Brooklyn kitchen.

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New York's Green Plan Draws on Global Solutions

Looking to cities around the world for inspiration

Lean times call for green measures. Even before the cash crunch came to fruition, New York City was looking for ways to cut costs and bolster environment initiatives.

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Hot to Trot

A dance floor that harnesses people power, and other engineering innovations in action

Tension and integrity are more than just what you might encounter in a day at the office. According to physics-centric artist Kenneth Snelson, the characteristics combine to form tensegrity, a principle based on strength and adaptability. Snelson uses it in reference to materials, but that mix can also come in handy in the workplace, especially in today's economy.

You're not the only one adjusting to leaner times in this sharp downturn: buildings are also feeling the weight of the cash crunch. But, thanks to an inventive crop of architects and engineers, there may be a silver lining, in the form of human-powered entertainment venues, environmentally sensitive walls, and unusual takes on traditional construction materials.

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Lick Like You Mean It

The science behind bitter, sweet, and chemically induced tastes

How well do you know your tongue?

Linda Bartoshuk, Ph.D, the director of Human Research at the University of Florida's Center for Smell and Taste, says the fleshy flap inside your mouth is a central site for chemical reactions involving taste and smell -- and that the traditional tongue map is a lie.

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Listening In on the DoD

A new military radio show probes science

The Department of Defense has a new voice. Here's what it sounds like:

It's a little tinny at times, but the twice-monthly web radio show, "Armed With Science: Research and Applications for the Modern Military," packs an informational punch. And it's not just targeted to stealth-bomber savants and jet propulsion professionals.

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The Science of Survival

A traveling exhibit predicts the future

I've seen 2050. It's an interactive exhibition animated by four noseless characters with British accents.

Buz, Eco, Tek, and Dug (the orthography of the future is apparently destined to be streamlined) each have unique views on how the human race can best careen forward. And they each have an "S," presumably for Survival, on their futuristic garb.

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Now You See It, Now You Don't

Sleight of hand meets neuroscience in a one-night-only collaboration

Watch out, neurons, there's stuff that we just can't see -- or process -- in the magician's toolbox (and in real life). Sure, the top hat, rabbit, and colorful scarves are hard to miss. But they're also used to distract us -- and to focus our gaze away from other activities.

The combination of magic and science drew a few hundred people to the auditorium of the New York Academy of Sciences for Science & The City's third installment in a series on the five senses.

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A Conversation with Len Fisher

The author of Rock, Paper, Scissors talks about game theory

Plus, read on for a PopSci.com giveaway!


Chances are you've played Rock, Paper, Scissors, but how do you calculate your strategy, if you have one at all?

In Rock, Paper, Scissors: Game Theory in Everyday Life, physicist Len Fisher points out that putting yourself in your opponent's mindset is a key to success in the game.

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New Music from an Old iPod

Installing free software turns your MP3 player into a musical instrument

I'm a non-geek, a non-Linux user and a non-male. I had never hacked anything in my life. And I had no plans -- or foreseeable need -- to do so.

Then, I discovered PureData. When an audio engineer friend mentioned the open-source programming language that uses rectangular boxes to build audio, video and graphics, I was intrigued.

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December 2009: Best of What's New

In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.

Check out the best of what's new here.

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