On the ground floor of Pioneer Works Center for Arts and Innovation in Brooklyn, New York, a bearded and flanneled trio played gloomy arrhythmic music one Wednesday night. Upstairs, director of education David Sheinkopf taught a class on the science of sound, including how to build a core technology behind the performance below: the electronic speaker. Popular Science sat in to learn about harnessing sound with a little DIY.
The Lesson Plan
In a speaker, an audio signal sends current through a coil, creating a magnetic field that yanks on a second magnet. This vibrates a diaphragm,…
How To Make Speakers From Post-Its
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Survey Says Scientists And Public Disagree On Climate Change, GMOs, And More
A new set of surveys of scientists and the public finds the two groups have widely different views about scientific issues. Conducted by the Pew Research Center in…
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Evidence Of Expanding Universe May Have Been Just Dirt
It was a huge win for Big Bang supporters when, in March 2014, a team of astronomers claimed they had found direct evidence to support the concept of cosmic inflation—the…
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Lunching Lemurs, A Tropical Cyclone, And Other Amazing Images Of The Week
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How To Build A Cannon That Shoots Wiffle Balls At 50MPH [Video]
Chances are, your leaf blower is collecting dust in a garage right now--and it will until this fall. So rescue that yard-clearing device for a far nobler purpose: blasting…
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Bill Gates Fears A.I., But A.I. Researchers Know Better
As Bill Gates joins the ranks of luminaries warning about the dangers of artificial intelligence research, the general obsession with superintelligence is only getting…
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Skin-Implanted Microchips Open Doors At Swedish Office Complex
To hear biohacker Hannes Sjoblad talk about it, getting a radio frequency identification (RFID) chip installed under your skin is like an inoculation against obsolescence.
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Get the dirt on drugs
Project: Drugs From Dirt
A US research team wants the dirt on you.
More accurately, it would like a sample of the dirt from your area, to check it for interesting new…
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The Science Of Decriminalizing Drugs
The legal landscape for marijuana has never looked this relaxed.
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Bed Bugs May Be Splitting Into New Species
The bed bug may seem like a recent trend. Even if you haven’t personally suffered an infestation, media coverageof the insect’s comebackhas been hard to miss.
However,…
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The 10 Best Things From February 2015
Popular Science, under the title "Obsessed."…
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More Powerful Raspberry Pi 2 Will Run Windows 10
The Maker community has plenty of reason to celebrate with the release of the quad-core Raspberry Pi 2, and a free version of Windows 10 that will run on it.
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5 Ground Animals That Are Cooler Than Groundhogs
Happy Micrathena Spider Day!
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Kraftwerk Fuel Cell Lets You Charge Your Phone With Butane
Kraftwerk is a portable fuel cell that turns butane gas into juice for your smartphone, tablet, or other USB device.
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What Was Northrop Grumman's Super Bowl Ad Selling?
The Super Bowl is known almost as much for the advertising spectacle it creates as it is for the game itself. Amidst the usual ads for products like cars, beer, and life…
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C-Fu: The Tofu Made Of 100 Percent Mealworm Protein
We haven't tasted it yet, but love it already.
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Language Evolution May Depend On Population Size
Every year, new words get added to dictionaries around the world, while other words slip from our lexicon. A recent study looked at the rate at which languages pick up or…
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Do Sharks Make Good Dancers?
In the last few moments of last night’s Super Bowl, the Patriots intercepted the ball for the win after a spectacularly bad call by the Seahawks. But neither the Patriots’…
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In The Future, You Can Control Your Tesla From Your Watch
One company has showed off a prototype app for the Apple Watch that will let you control functions of your Tesla Model S—should you be lucky enough to have either.
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A Unified Theory Of How Soft, Curved Things Wrinkle
The theory uses the same equation to explain wrinkles on raisins, fingers, brains, and more.
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