Stathi Mamatas

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AP FACT CHECK: Trump's claims in his State of Union address

WASHINGTON (AP) — The AP is fact-checking remarks from President Donald Trump's State of the Union speech. Here's a look at some of the claims we've examined (quotations from the speech as delivered or as released by the White House before delivery):<p>WAGE GAINS<p>TRUMP: "After years and years of wage …

Immigration

3tags.org

Another Year, Another 20 Billion Kilometers through the Universe

Another year passes. Another 365 planetary spins completed (14.6 million kilometers of combined distance traveled if you live at the Earth's …

Seven Major Archaeological Discoveries of 2015

From sunken treasure to ceremonial bobcat burials, it's time to look back at the year's biggest finds.<p>2015 was a year when archaeology frequently made headlines around the world, but unfortunately, it was all too often for the same terrible reason. This was the year when ISIS (Islamic State) …

Archaeology

Space and Time: Inertial Frames (Stanford Encyclopedia of Philosophy)

The term “reference frame” was coined in the 19th century, but it has a long prehistory, beginning, perhaps, with the emergence of the Copernican …

What Are Quantum Gravity's Alternatives To String Theory?

The Universe we know and love — with Einstein’s General Relativity as our theory of gravity and quantum field theories of the other three forces — has a problem that we don’t often talk about: it’s incomplete, <i>and we know it</i>. Einstein’s theory on its own is just fine, describing how …

Physics

Will Our Descendants Survive the Destruction of the Universe?

Billions of years from now, the universe as we know it will cease to exist. The good news is, that gives us a lot of time to prepare, and maybe even …

Here's how Albert Einstein destroyed the myth of the planet Vulcan

From the mid-1800s through the early 1900s, many scientists were convinced that a mysterious planet "Vulcan" lurked between Mercury and the sun.<p>Einstein eventually proved them all wrong.<p>National Geographic interviewed Tom Levenson, author of "The Hunt For Vulcan: … And How Albert Einstein Destroyed …

Nasa releases new photos of Pluto that 'make you feel you are there'

The newest pictures of Pluto are so up-close and personal that the mission’s top scientist says it “makes you feel you are there”.<p>Nasa released the photos on Thursday. The images were gathered by the New Horizons spacecraft that swept past the dwarf planet in July.<p>Pluto’s curvature is featured in …

Pluto

See a Newly-Released Image of Saturn's Moon Dione

SSL/JPL-CalTech/NASA<p>Universal History Archive/UIG/Getty Images<p>NASA/JPL-Caltech/SSI<p>NASA/JPL-Caltech/SSI/Hampton University<p>NASA/JPL-Caltech/Space …

How fast could humans travel safely through space?

The current speed record has stood for 46 years. When will it be beaten, asks Adam Hadhazy.<p>We humans are obsessed with speed. Recent months, for instance, brought news that students in Germany have broken the record for the fastest accelerating electric car, and that the US Air Force plans to …

Are we wrong about black holes?

When we think ‘black hole’ we get a fairly clear impression in our head: A hole torn in space and time by immense gravity. It’s the idea that they …

Breathtaking images of Saturn, the farthest planet we can see with the naked eye

Saturn flaunts the most majestic planetary rings in the solar system, but those are not the only things that make this beautiful gas giant unique. It's also the farthest planet from Earth that we can see with the naked eye.<p>From 746 million miles away, however, we can't observe Saturn like NASA's …

Move Over, Mars: Saturn’s Moon Titan Is Surprisingly Earth-Like

Titan may be an outer solar system world, but it has inner solar system cred.<p>Over the last few years, scientists have discovered several Earthlike planets orbiting other stars, suggesting that our comfy planetary setup is not all that unique in the universe. In fact, it may not even be that unique …

NASA’s Cassini Probe Captures Stunning Views of Saturn’s Moon Dione

NASA's Cassini probe, which has been in orbit around Saturn for over a decade, just sent back a handful of gorgeous images of the planet's rocky moon Dione. The picture above, taken on Wednesday, shows a close-up of Dione's surface with the bright rings of Saturn peeking out from behind.<p>This shot …

How To Build A Soft Robot Hand

Use it to wave hello or flip the bird<p>In the field of soft robotics, engineers use squishy materials to make robots durable, flexible, and safer to operate around humans. Now intrepid DIYers can also bring life to squishy machines: Last September, Harvard University published an open-access Soft …

Boeing patents 'Star Wars'-style force fields

A new patent granted to aircraft, defense and security company Boeing is taking its cues from science fiction. Just like the glowing energy shields seen protecting troops, machines and even spacecraft in Star Wars and Star Trek, the design -- named "Method and system for shockwave attenuation via …

Star Wars

NASA’s new ion engine is already in space and could someday be used on a mission to Mars

The NASA spacecraft Dawn has spent more than seven years traveling across the solar system to intercept the asteroid Vesta and the dwarf planet Ceres. Now in orbit around Ceres, the probe has returned the first images and data from these distant objects. But inside Dawn itself is another first—the …

NASA's Messenger Mission to Mercury Nears End

The first mission to orbit Mercury is nearing its end. Since arriving at the innermost planet in March 2011, the Messenger spacecraft has “rewritten …

Strange lights on dwarf planet Ceres have scientists perplexed

A dwarf planet is shining two bright lights at a NASA spacecraft right now, and our smartest scientists are unsure what they are.<p>As bizarre as that …

Titan: Facts About Saturn's Largest Moon

Titan is Saturn's largest moon and the second largest in the solar system (after Ganymede of Jupiter). It is the only moon in the solar system with …

NASA's Dawn Gets Closer To Potentially Habitable Dwarf Planet Ceres

NASA’s Dawn spacecraft has already delivered the first details of craters on the surface of Ceres as it draws closer to its historical rendezvous with the dwarf planet.<p>Dawn will be the first ever probe to visit a dwarf planet and has been heading for Ceres, the largest body in the main asteroid …

Mathematician Suggests New Way Get To Mars On A Budget

Sometimes the cheapest distance between two points is not a straight line<p>In 1991, Japan's budding space agency sent its first spacecraft to the moon: Hiten, alongside a smaller orbiter named Hagamoro. Hagamoro was supposed to orbit the moon, but mission control lost contact with it after it …

Space Exploration

Four 2015 Energy Ideas 'Back to the Future' Got (Almost) Right

Hoverboards, flying cars, and auto-fueling are closer than you think, and garbage energy is here.<p>Energy is so cheap and easy in 2015 that we all have flying cars and robot gas attendants. That's not the reality as of New Year's Day, of course, but rather the "future" depicted in the hit 1989 movie</i> …

Man Spends $15 Million Developing a ‘Revolutionary’ Vessel ‘Not Even the Navy’ Has Ever Built

Gregory Sancoff spent $15 million on an ocean vessel prototype to sell to the U.S. Navy, but the Navy doesn’t want it.<p>“It’s a revolutionary program,” Sancoff, founder and CEO of Juliet Marine Systems near Portsmouth, New Hampshire, said. “Nothing like this has ever been built by anybody, not even …