Unknown Ernst

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The physics keeping Star Wars' Cloud City afloat

And why it has a limited lifespan in the sky.<p><i>The following is excerpted from</i> The Physics of Star Wars: The Science Behind a Galaxy Far, Far Away <i>by Patrick Johnson.</i><p>“Lando conned somebody out of it.”—Han Solo (Episode V)<p><b>WHEN</b> Episode V, immediately after the escape from Hoth<p><b>WHERE</b> Bespin, Cloud</b> …

Boba Fett

Cassini just smashed into Saturn's atmosphere. What comes next for solar system exploration?

Europa, the outer solar system, and a lot of questions.<p>It sent back data until the last possible moment, struggling against the atmospheric forces that would soon vaporize the spacecraft into dust. Then, it was gone. Cassini’s perfectly executed dive last week shuttered one of our few windows to …

Astronomy

Neil DeGrasse Tyson Has a Stern Warning For All of Humanity

He's not kidding around.<p>Neil deGrasse Tyson thinks we might not be able to stop the effects of climate change. The astrophysicist shared this bleak …

The Moon is about to do something it only does once every 28 years

The total solar eclipse that occurred this summer drew incredible excitement from even casual sky gazers, but our moon is about to perform a feat …

Newly discovered black hole may be the first of its kind ever detected

A Monstrous Marauder<p>Japanese astronomers have found evidence that an intermediate-mass black hole (IMBH) with 100,000 times the mass of our Sun is …

To celebrate the 40th anniversary of the Voyager missions, NASA made these stunning, free posters

The US spacecrafts Voyager 1 and Voyager 2 were launched 16 days apart in August and September of 1977. Both the missions took advantage of a once-in-175-year alignment of planets that allowed between them to visit all the gaseous planets of the solar system.<p>PBS last month released a documentary to …

Posters

Is it safe to look at the ‘Great American Eclipse’ through a selfie camera?

Today, people will be doing what they’ve been told for years not to do: Stare at the sun.<p>On Monday, Americans — especially those in Oregon, Idaho, …

Selling

The Most Important Question Underlying Artificial General Intelligence Research – Is Math Real?

by Ben Stecher August 15, 2017 Artificial Intelligence 10913<p>The Fundamental Question<p>Will artificial intelligence replace humanity? The answer rests …

Cosmic magnifying lens reveals inner jets of black holes

"This system could provide a superb cosmic laboratory for both the study of gravitational milli-lensing and the inner workings of the nuclear jet in …

Quantum Weirdness Has Been Tested Beyond The Particle Scale For The First Time

by Science Alert August 14, 2017 Hard Science 18270<p>Mike McRae<p>Test the Limits<p>A small tweak on a definitive experiment in quantum physics has allowed …

NASA's Cassini Spacecraft Touched Saturn Today as Part of Its Grand Finale

by Dom Galeon August 14, 2017 Off World 8951<p>A Grand Finale, Indeed<p>Spacecrafts and probes usually go down with a bang or a crash. Such was the case …

Get them while they're young: Astronomers catch exploding supernova early

"To turn into a Type Ia supernova, a white dwarf can't be by itself," explained Sand, the principal investigator of the DLT40 survey. "It has to have …

Nasa to wake up New Horizons spacecraft for voyage into mysterious Third Zone

Nasa is to wake up its New Horizons spacecraft next month following a five month hibernation, ahead of a journey deeper into one of the most mysterious regions of the Solar System.<p>New Horizons, which captured incredible images of Pluto in July 2015, was powered down in April to conserve energy as …

Galactic winds push researchers to probe galaxies at unprecedented scale

When astronomers peer into the universe, what they see often exceeds the limits of human understanding. Such is the case with low-mass …

The 14 Biggest Video Games Still Coming in 2017

2017 has already been a big year for games, but it's only getting bigger.<p>This trashfire of a year has had one bright spot: truly thrilling video game …

Watch where you warp: Our galaxy is full of black holes

If we ever get to the point where we're able to warp Star Trek-style around the galaxy, we'll have to be especially careful of getting sucked into one of the many millions of black holes in the Milky Way.<p>You might think of the mysterious objects and their mind-bendingly strong gravity as rare, but …

NASA's Cassini spacecraft captures an image of Saturn's moon Prometheus near the F Ring- Technology News, Firstpost

The <b>Cassini spacecraft</b> has captured an image of the Saturnian moon <b>Prometheus near the narrow F ring</b>. The wisps of material reaching inwards from the …

Astronomy

How to Slam Dunk Creationists When It Comes to The Theory of Evolution

Because this argument is barely worth having.<p>The 2001 discovery of the seven million-year-old Sahelanthropus, the first known upright ape-like …

A New Quantum Understanding is About to Turn Chemistry on Its Head

Entirely New Discoveries<p>In a world of quantum oddities, the phenomenon of indistinguishability, the impossibility of distinguishing between two …

NASA continues to study pulsars, 50 years after their chance discovery

"Many nuclear-physics models have been developed to explain how the make-up of neutron stars, based on available data and the constraints they …

Scientists Just Revealed a Hidden Secret About The Sun's Inner Core

The beginning of new solar physics.<p>The innermost region of the Sun is hidden from our eyes, and it looks like this stealth has enabled the core to …

Neil deGrasse Tyson reveals the biggest misconceptions people have about the universe

Neil deGrasse Tyson explains some of the biggest misconceptions we have about the universe.<p><i>Darren Weaver contributed to an earlier version of this video.</i><p><b>Follow Tech Insider:</b>On Facebook<p><i>StarTalk Radio is a podcast and radio program hosted by astrophysicist Neil deGrasse Tyson, where comic co-hosts,</i> …

Universe

Why do we call unwanted emails ‘spam’?

Why do we call unwanted emails “spam”? The origins of the term are a lot funnier than you think.<p>Word expert Graeme Donald told 5 live Breakfast that the use of the word to describe emails comes from Monty Python’s famous “Spam” sketch:<p>“Back in the early days of the computer and the internet the …

Information Systems

Meet KELT-9b: A Gas Giant Planet So Hot, It Rivals Our Sun

<i>Our editors delve into Curiosity's top stories every day on a podcast that's shorter than your commute. Click here to listen and learn — in just a</i> …

Two Sad Ironies In Florida Passing Its 'Anti-Science' Law

It is officially called Florida House Bill 989, and it was signed into law by Florida Governor Rick Scott on June 26th, 2017 after passing both chambers of the house. According to the National Center for Science Education’s website:<p>With the law now in place, any county resident — not just any …

Florida

Nasa releases image of 'Niagara Falls of lava' on Mars

Nasa has released stunning photos of something like "Niagara falls" on Mars – except even more stunning than the one on Earth.<p>The flows are made of …

Physicists Have Figured Out Where The Sun's Plasma Jets Come From

Things are heating up.<p>After over a century of observations and several theories, scientists may have finally nailed the origin of the high-speed …

What Can Prevent Alzheimer's? Here's What the Evidence Shows

Health news<p>There’s no strong evidence that anything prevents Alzheimer’s disease, but a few common-sense practices may help delay memory loss, a panel of experts said Thursday.<p>They include controlling high blood pressure, regular exercise and specific memory training exercises.<p>Outside of that, …

Dementia

Flying Cars Could Hit the Skies as Soon as 2018

Flying Cars by 2018<p>The Personal Air Land Vehicle (PAL-V) Liberty is looking likely to become the first flying car intended for general adoption and …

New Evidence Suggests That Our Solar System Has 10 Planets

by Patrick Caughill June 22, 2017 Hard Science 73365<p>Ten Strong<p>The Solar System hasn’t been the same since Pluto was downgraded from a planet to a …

Astronomy