Elevated Bus That Drives Above Traffic Jams
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Scientists invented fabric that makes electricity from motion and sunlight. To create the fabric, researchers at Georgia Tech wove together solar cell fibers with materials that generate power from movement. It could be used in “tents, curtains, or wearable garments,” meaning we’d virtually never be without power. Source
lol sometimes science publications are like 20 pages of gibberish. It feels like an alien language I’m learning slowly as I stare at the pages…
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Images of Jupiter taken by JunoCam on NASA’s Juno spacecraft.
Juno is a NASA spacecraft. It is exploring the planet Jupiter. Juno launched from Earth in 2011. It reached Jupiter in 2016. That was a five-year trip!
The name “Juno” comes from stories told by the Romans long ago. In the stories, Juno was the wife of Jupiter. Jupiter hid behind clouds so no one could see him causing trouble. But Juno could see through the clouds.
Juno has science tools to study Jupiter’s atmosphere. (The atmosphere is the layer of gases around a planet.) Juno will take the first pictures of Jupiter’s poles. The spacecraft will study the lights around Jupiter’s north and south poles, too.
Juno will help scientists understand how Jupiter was made. The spacecraft will help them learn how Jupiter has changed, too. The new discoveries can help us understand more about our solar system.
Sound of Jupiter’s Magnetosphere: Click here
Credit: NASA / JPL-Caltech / Mission Juno / Jason Major / Luca Fornaciari / Gerald Eichstädt
The organization, named after the first three digits of pi, is a political action committee that was created to support scientists in running for office. It’s the science version of Emily’s List, which focuses on pro-choice female candidates, or VoteVets, which backs war veterans. “A lot of scientists traditionally feel that science is above politics but we’re seeing that politics is not above getting involved in science,” says founder Shaughnessy Naughton.
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What’s hard about Mars?
Mars, unlike the Moon, is far away. It also has an atmosphere - but not a useful one. Atmospheric density, wind, dust storms… all of these things contribute to a larger list of circumstances that any given mission needs to be ready for.
All those circumstances contribute heavily to the cost, time and hard resources needed to be poured into the mission preparation. In addition, the vast distance to Mars means the cost of carrying all this prepared hardware must be covered.
The atmosphere of Mars is such that if you’re going too fast during entry, you’ll burn up. It’s such a low density however that parachutes aren’t tremendously useful.
During the Curiosity rover’s landing it needed a heat shield, a supersonic parachute, rocket boosters to slow it down, a sky-crane to allow Curiosity to drop to the surface like an interplanetary spider and then explosive propulsion to send the platform it dropped from a safe distance away to crash into the surface.
During this landing, the rover experienced a force of about 15 g’s. That force would make a 200 lb man weigh 3000 lbs. Without proper precautions it would make the average head snap down at about 150 to 165 lbs.
NASA’s developing a new type of parachute and it’s being attached to a flying saucer-like spacecraft known as the Low-Density Supersonic Decelerator. This is currently hoped to provide NASA with a stable go-to architecture for future Mars missions.
The red planet’s killed most missions sent there. Power for solar-panels on rovers get covered during planet-wide dust storms. Some missions smashed into its moons. Some have smashed into its surface. Others have simply missions the planet entirely only to drift away as Mars dances around the Sun.
The world is an untamed place and has sought to buck all attempts to temper its mysteries.
(Image credit: ESA / DLR / FU Berlin (G. Neukum) / animation by Emily Lakdawalla)
When Japan began to rebuild after the 2011 earthquake and tsunami, artist Manabu Ikeda started a massive pen & ink piece. He worked 10 hours a day, 6 days a week, for 3.5 years before finishing ‘Rebirth’, a 13x10 foot drawing of a tree rising from chaos and ruin. Source Source 2
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The Soul Nebula Pictured, bright massive stars near the center of W5, the Soul Nebula, are exploding and emitting ionizing light and energetic winds. The outward-moving light and gas push away and evaporate much surrounding gas and dust, but leave pillars of gas behind dense protective knots. Inside these knots, though, stars also form. The featured image highlights the inner sanctum of W5, an arena spanning about 1,000 light years that is rich in star forming pillars. The Soul Nebula, also cataloged as IC 1848, lies about 6,500 light years away toward the constellation of the Queen of Aethopia (Cassiopeia). Likely, in few hundred million years, only a cluster of the resulting stars will remain. Then, these stars will drift apart. (APOD/NASA)
Image Credit: José Jiménez Priego (Astromet)