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diamonds

  1. Soon We Will All Have Diamond Teeth, No Grillz Required

    Let's just all agree to keep gold out of our mouths, alright?

    If you’re not a hip-hop superstar or Miley Cyrus, chances are you’ve never had (or wanted) to rock a diamond grill. Thanks to science, however, it sounds like we’ll all soon be wearing some bling on our teeth – for the benefit of our health.

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  2. New Form of Carbon Is Super-Strong, Can Kick Diamond’s Ass

    And it only maybe explodes!

    Carbon is kind of awesome: other than the element that, you know, is what all organic life on earth is based on, it's now even more than sparkly, gorgeous diamonds and many an artist's best friend in graphite and charcoal. In a new paper, scientists theorize that double- or triple-bonded carbon atoms will make the world's strongest material.

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  3. James Bond Predicted the Future: Diamond Lasers Are Totally A Thing Now

    Still waiting on the invisible Aston Martin, though.

    Obviously the first thing that everybody thinks when looking at something priceless and sparkly is, "I bet I could make a laser out of this." And if you're some weirdo who's never seen Diamonds Are Forever and don't think you could actually do it, then there's no need to worry: a team at the University of Strathclyde has done it for you.

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  4. Diamonds and Gold Take Cell Temperature, May Be Key to New Cancer Treatment

    Accurate nanothermometers are a girl's best friend.

    Cells are tiny, which makes it pretty hard to take their temperature. A recent study published in Nature, however, suggests that diamonds and gold fragments can be used to read the temperature of individual cells. This could open up new avenues of research regarding cell behavior, and may be the first step toward a more deft method of killing cancer cells.

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  5. Russia Reveals Enormous Diamond Supply, Could Shake Up Spectacularly Rigged Market For Shiny Rocks

    Russia has revealed a secret it has been sitting on since before the Cold War ended. No, it's not an army of cybernetic supermen driven by hatred of capitalism and rapidly degrading plutonium power cores, though that would be kind of awesome. Also kind of awesome, though, is the country is sitting on one of the largest diamond fields ever discovered, a 62-mile-wide cache of the stones situated beneath the Siberian crater known as the Popigai Astroblem and containing an estimated 1 trillion carats worth of diamonds.

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  6. New Super Hard Form of Carbon Discovered Can Dent Diamonds

    Move over, diamonds -- there's a new toughest form of carbon in the world. A new form of the element that blends both crystalline and chaotic structures has been created by researchers at the Carnegie Institution, and it's so durable it can put a dent in the former world's hardest substance and automatic relationship apologizer.

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  7. Physicist Creates True Random Numbers by Shooting Lasers at Diamonds

    If you're the kind of person who reads Geekosystem, you probably already know how hard true random numbers are to come by. If you don't, let me break it down for you: Really hard. Computers have an especially hard time creating random numbers since they operate by algorithm. Sure, you can get a pseudo-random number by using a "randomly" selected seed and running a whole bunch of operations on it, but that's still not random. For that matter, neither is rolling dice. Granted, we generally don't have enough information to predict the outcome, so rolls are effectively random, but not actually random. Now, Ottowa physicist Ben Sussman has come up with a way to create large quantities of true random numbers, with science!

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  8. Astronomers Discover Planet Made Out of Diamond

    Astronomers have discovered a planet that is much denser than any other known planet and consists mainly of carbon. Due to the density, scientists calculate that the carbon must be crystalline, and thus, a significant portion of the planet would be made of diamond. The planet, about five times the size of Earth, orbits a pulsar star, which is a small (12.4 miles in diameter), dead neutron star that emits radiation as it spins hundreds of times per second. The diamond planet, which lies about 4,000 lightyears away in the constellation Serpens, orbits its pulsar star every 2 hours and 10 minutes, and measures in with slightly more mass than Jupiter, but weighs in at about 20 times as dense.

    Head on past the jump for more explanation, as well as a video.

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  9. Diamonds Are A Quantum Computer's Best Friend

    Quantum computing is a new and exciting field, emerging from the ability to utilize quantum mechanics to create computers that can perform complex operations on data. Scientists have been making progress developing quantum computers and they know what is required to make such a system. Though they have developed working systems, scientists still believe that no existing machine has reached the full potential of quantum computing. The trend in quantum computing research is shifting away from proof-of-principle and focusing on trying to make a better way to control quantum bits (qubits) to perform operations. New research described in papers in Nature Physics by a team from the Center for Spintronics and Quantum Computation at the University of California, Santa Barbara and Physical Letters Review by a team from the Department of NanoBiophotonics at the Max Planck Institute for Biophysical Chemistry in Germany has found that impure diamonds may be an effective architecture for quantum computing.

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  10. Scientists Create Ultra-Lightweight Diamond Aerogel

    The ultra-light materials called aerogels are the lowest density materials that modern science can create. Their amazing insubstantiality gives them incredible properties as insulators, capable of diffusing extreme heat and blocking out sound and electrical signals. But researchers have taken these materials one step further by creating an aerogel from nanodiamonds. Researchers began by creating a carbon aerogel and then placing it in a "diamond anvil" and heating it with lasers to form diamonds, all while trying to keep the forming aerogel from collapsing under the pressure. From Chemistry World:

    The team made the structure using a diamond anvil cell to squeeze an amorphous carbon aerogel between two diamond surfaces, at pressures of more than 20GPa. They drove the transition forward by laser-heating the cell, resulting in temperatures above 1200K. [...]The challenge was making sure the delicate aerogel didn't collapse. To overcome this, the team filled the pores of the aerogel with supercritical neon gas. At pressures greater than 5GPa the neon changed into a solid, supporting the aerogel's structure.
    The marriage between one of the strongest materials on earth with the low-density aerogels could open up all sorts of possibilities. Moldable, flexible, and transparent, the diamond gels could be used to make ultra strong glass. It could also be used in medical applications, nanocomputing, and possibly space-craft construction. Of course, those pie-in-the-sky plans are far in the offing. First, researchers need to determine the lowest possible temperature to change the carbon to diamond, which will hopefully be within the means of existing methods of fabrication. Then they need to find a way to make more of their new material, as they can only muster about a hair's length with the current strategy. Hopefully where the science exists, there will be an industry to support it. (i09, Chemistry World, image via Wikipedia)

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