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Eternal Clock Could Keep Time After Universe Dies

The idea for an eternal clock that would continue to keep time even after the universe ceased to exist has intrigued physicists. However, no one has figured out how one might be built, until now.

Researchers have now proposed an experimental design for a “space-time crystal” that would be able to keep time forever. This four-dimensional crystal would be similar to conventional 3D crystals, which are structures, like snowflakes and diamonds, whose atoms are arranged in repeating patterns. Whereas a diamond has a periodic structure in three dimensions, the space-time crystal would be periodic in time as well as space.

The idea of a 4D space-time crystal was first proposed earlier this year by MIT physicist Frank Wilczek, though the concept was purely theoretical. Now a team of researchers led by Xiang Zhang of California’s Lawrence Berkeley National Laboratory has conceived of how to make one a reality.

“The idea of creating a crystal with dimensions higher than that of conventional 3D crystals is an important conceptual breakthrough in physics, and it is very exciting for us to be the first to devise a way to realize a space-time crystal,” Berkeley Lab physicist Tongcang Li, a member of the research group, said in a statement.

Zhang and his colleagues suggest that a space-time crystal could be constructed using an electric field to trap charged atoms (called ions), and taking advantage of the natural repulsion between two like-charged particles (positive and positive, or negative and negative), which is called Coulomb repulsion.

Image: This proposed space-time crystal shows (a) periodic structures in both space and time with (b) ultracold ions rotating in one direction even at the lowest energy state. Credit: Courtesy of Xiang Zhang group

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Omg nerdgasming everywhere

This is real cool and everything, but can I ask the burning question of the night? What would even be the point of keeping time after the universe ends? Like. Nobody would need to know what time it was. Nobody would be around to want to know what time it was. WHY MAKE A CLOCK? I just. What.

I mean, yeah, that’s kind of whack. They need to be working on Mass Effect drives and shit.

But all I know is that forever-clock better be a G-Shock.

nbcnews: Google patent lets you zoom in from your photo to…


Google patent lets you zoom in from your photo to theirs

(Photo: Google / USPTO)

A Google patent has just been granted that allows for “zooming using pre-existing imaging” — in other words, zooming in from your photo to another one. For instance, you could go from your snapshot of the Mona Lisa directly to a high-res scan from the Louvre.

praisethelorde: A spanish designer Martin Azua has designed an…


A spanish designer Martin Azua has designed an Awesome Urn  which Will Turn You into a Tree After You Die

His urn is made from coconut shell, compacted peat and cellulose and inside it contains the seed of a tree.

Once your remains have been placed into the urn, it can be planted and then the seed germinates and begins to grow. You even get the choice to pick the type of plant you would like to become, depending on the kind of planting space you prefer.

via did you know tumblr


I wanna be a mango tree and destroy people’s walls. Or be an avocado tree…

Fem-Tech Edit-a-thon sparks discussions about Wikipedia gender gap

Fem-Tech Edit-a-thon sparks discussions about Wikipedia gender gap:

s an example of how articles about women are handled on Wikipedia and how Wikipedia is central in shaping knowledge, I showed the history of the Sandra Fluke article; its deletion; its recreation as Rush Limbaugh-Sandra Fluke controversy; and its final recreation three and a half months later as “Sandra Fluke.” This led to a larger discussion about how the structure of Wikipedia and its conception of knowledge perpetuates the patriarchy. “Rush Limbaugh-Sandra Fluke controversy” was the first Google hit for Sandra Fluke’s name for at least three months. As became clear from our conversation, Wikipedia’s rules are not neutral or objective – they have very real political consequences. Wikipedia allowed Sandra Fluke to be defined by Rush Limbaugh’s wildly inappropriate and derogatory comments, rather than by her own life story, and helped fuel an irrelevant news story.

Via Micha Cardenas