A Simple Experiment That (Finally) Explains Just What Gravity Is


What is gravity? It's one of the easiest scientific concepts to understand the effects of, and one of the hardest concepts to understand by itself. Here — using a large sheet of spandex, some marbles, and a couple weights — is a demonstration that makes the entire concept remarkably graspable. » 1/21/15 4:20pm 1/21/15 4:20pm

No, You're Not Going To Float Away On January 4th

A bizarre rumor is going around claiming that the upcoming planetary alignment on January 4th is going to cause a "gravitational fluctuation" that will leave people weightless for a brief period. Here's why "Zero Gravity Day" is a whole lot of malarky. » 1/02/15 6:20am 1/02/15 6:20am

A New Blu-Ray Release Of Gravity Will Let The Space Scenes Be Silent

I was already kind of traumatized by watching Sandra Bullock hurtling through the vast nothingness of space in Gravity; the idea of seeing the movie without its score, where space is as audibly empty as it is visually, sounds chilling. And that's exactly what we're going to get in a new special Gravity Blu-ray. » 11/12/14 6:40am 11/12/14 6:40am

Why Is It So Damn Hard to Balance a Pencil on Your Fingertip?

If you've ever tried balancing something as short and skinny as a pencil on your fingertip, you know it isn't easy. Why is that? How is it possible to create a free-standing rock sculpture like this one, when it's all but impossible to balance a stinking pencil for more than a couple seconds? » 8/21/14 2:20pm 8/21/14 2:20pm

Geologists finally understand how sandstone arches get their shape. By studying cubes of sand, researchers showed that areas squeezed by vertical stress are strengthened and protected from erosion. This means that it's gravity — and not erosion — that gives rise to elegant sandstone arches, pillars, and alcoves. » 7/21/14 1:40pm 7/21/14 1:40pm

12 Excellent Movies That Use VFX To Tell A Story

It's summer movie season, which means lots of effects-heavy, big budget romps. And it's easy to feel numbed by all this digital overkill. But when visual effects are used well, they can tell the story instead of distracting from it. Just check out our list of 12 movies that use VFX purely as a storytelling tool. » 5/07/14 10:36am 5/07/14 10:36am

Author of Book Titled Gravity Sues Makers of Film Titled Gravity

Tess Gerritsen wrote a book titled Gravity about a female astronaut stranded in space when the rest of her crewmates are killed. Alfonso Cuaron wrote and directed a movie titled Gravity about a female astronaut stranded in space when the rest of her crewmates are killed. Uh-oh. » 5/02/14 8:40am 5/02/14 8:40am

For the Most Enjoyable Weight Loss Ever, Head to the Equator

Ever wonder what the easiest way to lose weight is? Here's the one simple trick you need. Go to the equator. There, the planet is trying to throw you into space so much that you weigh less than you do anywhere else. » 4/15/14 11:20am 4/15/14 11:20am

Gravity Would Be A Very Different Movie If Superman Stopped By

Stop whatever you're doing and watch this amazing "alternate scene" from Gravity in which the Man of Steel makes a guest appearance. You will not regret it. » 4/02/14 11:40am 4/02/14 11:40am

Will A Boomerang Return To Its Thrower In Zero Gravity?

On Earth, a properly thrown boomerang will return to the person who threw it. Is the same true aboard the International Space Station? » 3/30/14 4:12pm 3/30/14 4:12pm

Gorgeous Unused Gravity Posters Almost Represent The Movie TOO Well

Alfonso Cuaron's Gravity was an insane thrill ride that made us nearly hyperventilate. And these proposed poster designs, which ended up not being used, really convey the screaming terror that this film inflicted on us. Maybe too well. But they're also insanely gorgeous. » 3/20/14 2:17pm 3/20/14 2:17pm

The New Big Bang Evidence Explained With Just A Towel!

After reading about the ground-breaking new evidence for the Big Bang this week you may have been left with a question: Just what are gravitational waves anyway? This video, using just a towel, an apple, and a ping pong ball, explains. » 3/19/14 9:40am 3/19/14 9:40am

Gravity dominates the Academy Awards with seven Oscars

Space thriller Gravity dominated the 86th Academy Awards with seven Oscars, including winning Best Director for Alfonso Cuarón, Best Score and Best Cinematography. See the full list of winners now. » 3/03/14 9:25am 3/03/14 9:25am

​Discover the terrors of space in the comfort of your own home

Did you blow your chance to watch Gravity in 3D and/or in Imax? You poor bastard. You can't possibly recapture the experience on your home TV (yes, even if you have one of those giant home theaters with stadium seating), but at least you'll get to pause to use the bathroom. Plus Thor, Harry Potter, and more! » 2/24/14 2:40pm 2/24/14 2:40pm

This lost satellite could trigger a deadly Gravity-style debris field

Envisat is a dead 8,100 pound satellite that scientists now say is at high risk of triggering a catastrophic cloud of cascading space junk similar to the one portrayed in Gravity. » 2/20/14 4:00pm 2/20/14 4:00pm

Will a superhero movie ever win the Academy Award for Best Picture?

Greetings, folks. Sorry if I'm a bit snappy today in my answers; but I'm in a bad mood. I set up the first mailbox in town so people could drop off their letters (and I didn't have to personally pick them up), but someone, I don't know who, keeps pooping in it. I know civilization's been destroyed for 30 years, but… » 2/19/14 8:15am 2/19/14 8:15am

Honest Trailers reveals Gravity is an epic tale of bumping into stuff

You know you can still mock good movies, right? That's why Honest Trailers chose Gravity — a film they clearly genuinely like — for its newest installment. It's still just as funny as when they take on crap like Batman & Robin. And besides, now we know Gravity would be even better with pinball sound effects. » 2/18/14 8:00pm 2/18/14 8:00pm

Lego movie posters for Best Picture nominees are actually kind of great

Had enough of Lego-fied movies? Too bad! The Lego Movie being the unmitigated success that it is, the folks at Yahoo! Movies decided to commission Graphic designer Old Red Jalopy to create a series of LEGO-themed movie posters for the 86th Academy Awards' Best Picture nominees. Not that we're complaining – they're… » 2/15/14 8:00am 2/15/14 8:00am

What would the Earth be like if it was the shape of a donut?

According to the laws of physics, a planet the shape of a donut, or toroid, could actually exist — but it's extremely unlikely to ever form naturally. But what if an advanced alien civilization decided to build one? What properties would a toroid-Earth exhibit? And what would life be like? » 2/04/14 12:00pm 2/04/14 12:00pm