Ever since the dawn of the Twitch livestreaming age, it’s seemed like a no-brainer for Steam to add some sort of quick and easy broadcasting option. And yet for some reason (hint: it’s Valve), they’ve taken their time. But finally, it’s here. Read more…
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You Can Now Livestream Games On Steam
New submitter Tucano writes The overtone singer Anna-Maria Hefele can sing two notes at the same time. In her latest video, spectrograms and frequency filters are used to explain how she can produce two melody lines at the same time, and how she uses her mouth to filter the frequencies of her voice. When the voice produces a sound, many harmonics (or overtones) sound at the same time, and we normally hear this as a single tone. In overtone singing, the mouth filters out all harmonics but one, and the one that remains is amplified to become louder. This is then perceived as a separate tone, next to the fundamental. In her video, Anna-Maria shows techniques that become increasingly advanced. She shows the overtone scale (steady fundamental, moving overtone), the undertone scale (steady overtone, moving fundamental), parallel movement and opposing movement of overtone and fundamental, and even complex compositions with two separate melody lines. Read more of this story at Slashdot.
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Polyphonic Overtone Singing Explained Visually With Spectrograms
In 1937, Amelia Earhart’s plane, the aluminum-clad Electra, disappeared somewhere over the Pacific during the course of her global circumnavigation attempt. Now 77 years later, historians and aviation experts are confident they have found a part of her downed aircraft . Read more…
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We May Have Finally Found a Piece of Amelia Earhart’s Lost Plane
If your smoke alarm starts wailing and you’re not home to hear it, you’d better hope one of your neighbors does — or else you might come home to a smoldering pile of rubble. But with the Leeo smart night light, even if your nearest neighbor is miles away, you’ll be alerted to potential fires as soon as the alarm goes off. Read more…
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Leeo SmartAlert Review: A $100 Night Light That Listens For Fire
countach44 writes that (in the words of the below-linked article) “Chicagoans are costing the city tens of millions of dollars — through good behavior.” The City of Chicago recently installed speed cameras near parks and schools as part of the “Children’s Safety Zone Program, ” claiming a desire to decrease traffic-related incidents in those area. The city originally budgeted (with the help of the company providing the system) to have $90M worth of income from the cameras — of which only $40M is now expected. Furthermore, the city has not presented data on whether or not those areas have become safer. Read more of this story at Slashdot.
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Speed Cameras In Chicago Earn $50M Less Than Expected
In the middle of the 19th century, Chicago embarked on a quest to literally lift itself out of the mud. Water couldn’t drain from the low-lying city, so its streets became impassable swamps. The most reasonable solution, Chicago decided, was just to raise the whole goddamn city by 4 to 14 feet. Read more…
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Chicago was raised over 4 feet in the 19th century to build its sewer
Some of the mystery behind Apple’s app rejection decisions has been solved. Now, the powers-that-be behind the App Store have finally revealed why software is so often rejected. You might be surprised by how mundane its reason are. Read more…
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The Top Ten Reasons Why Apple Rejects Apps
The Bad Astronomer writes: Astronomers have found a 5.4 Earth-mass planet orbiting the star Gliese 15A, a red dwarf in a binary system just 11.7 light years away (PDF). Other exoplanets candidates have been found that are closer, but they are as yet unconfirmed. This is more evidence that alien planets are common in the galaxy. Read more of this story at Slashdot.
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Astronomers Find What May Be the Closest Exoplanet So Far
Most of our devices run (not for long enough) on lithium ion batteries. But there could be a new, old kid on the block—in the shape of a solid-state battery that can hold twice the charge as li-on. Read more…
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Cheap Solid-State Batteries That Last Twice as Long as Li-On Are Coming
Way back in 1931, Albert Einstein visited the U.S. for three months. Inspired by meetings with Edwin Hubble, he began thinking about the Universe differently, writing a paper in four days to get down his thoughts—and now, those first scribblings have been translated into English for the first time . Read more…
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A Forgotten Einstein Model of the Universe Describes the Big Crunch