Scientists at CERN plan to take some antiprotons out for a spin in a never-tried-before test drive. Over about four hours, teams will gingerly wheel out about 100 antiprotons suspended in a “cloud” that’s encased in a vacuum inside a box and held in place by supercooled magnets for the ride in a truck at its Geneva campus.
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Here's how to protect yourselfAfter an Iranian drone strike, a photographer captures this quiet human momentTrump administration to pay French company $1B to walk away from US offshore wind leasesWelcome to allergy season. Here's how to protect yourselfNearly 90,000 bottles of children's liquid pain medication recalledYoung people are turning to old-school hobbies to get off their phonesMobility exercises are an important part of fitness as we age. Here are some tipsTaylor Tomlinson’s Netflix special is too ungodly for many churches. This one welcomed her.Mueren 2 pilotos tras choque de avión con camión de bomberos en Aeropuerto LaGuardia de Nueva York Here's how to protect yourselfAfter an Iranian drone strike, a photographer captures this quiet human momentTrump administration to pay French company $1B to walk away from US offshore wind leasesWelcome to allergy season. Here's how to protect yourselfNearly 90,000 bottles of children's liquid pain medication recalledYoung people are turning to old-school hobbies to get off their phonesMobility exercises are an important part of fitness as we age. Here are some tipsTaylor Tomlinson’s Netflix special is too ungodly for many churches. This one welcomed her.Mueren 2 pilotos tras choque de avión con camión de bomberos en Aeropuerto LaGuardia de Nueva YorkA technician works in the LHC tunnel of the European Organization for Nuclear Research, CERN, during a press visit in Meyrin, near Geneva, Switzerland, Feb. 16, 2016. A technician works in the LHC tunnel of the European Organization for Nuclear Research, CERN, during a press visit in Meyrin, near Geneva, Switzerland, Feb. 16, 2016. The globe of the European Organization for Nuclear Research, CERN, is illuminated outside Geneva, Switzerland, March 30, 2010. The magnet core of the world’s largest superconducting solenoid magnet at the European Organization for Nuclear Research 's Large Hadron Collider particle accelerator, in Geneva, Switzerland, March 22, 2007. A technician works in the LHC tunnel of the European Organization for Nuclear Research, CERN, during a press visit in Meyrin, near Geneva, Switzerland, Feb. 16, 2016. A technician works in the LHC tunnel of the European Organization for Nuclear Research, CERN, during a press visit in Meyrin, near Geneva, Switzerland, Feb. 16, 2016. A technician works in the LHC tunnel of the European Organization for Nuclear Research, CERN, during a press visit in Meyrin, near Geneva, Switzerland, Feb. 16, 2016. A technician works in the LHC tunnel of the European Organization for Nuclear Research, CERN, during a press visit in Meyrin, near Geneva, Switzerland, Feb. 16, 2016. The globe of the European Organization for Nuclear Research, CERN, is illuminated outside Geneva, Switzerland, March 30, 2010. The globe of the European Organization for Nuclear Research, CERN, is illuminated outside Geneva, Switzerland, March 30, 2010. The magnet core of the world’s largest superconducting solenoid magnet at the European Organization for Nuclear Research 's Large Hadron Collider particle accelerator, in Geneva, Switzerland, March 22, 2007. The magnet core of the world’s largest superconducting solenoid magnet at the European Organization for Nuclear Research 's Large Hadron Collider particle accelerator, in Geneva, Switzerland, March 22, 2007. are taking some antiprotons out for a spin — a very delicate one — in a truck, in a never-tried-before test drive. Watch live as scientists at CERN, the European Organization for Nuclear Research, conduct a test of transporting volatile antimatter. If this so-called antimatter comes into contact with actual matter — even for a fraction of an instant — it will be annihilated in a quick flash of energy. So experts at the, will, over the course of four hours Tuesday, gingerly wheel out from its lab about 100 antiprotons. They are suspended in a vacuum inside a specially designed box and held in place by supercooled magnets. Then, they’ll ease it into a truck, and take about a half-hour drive to test how — if at all — the infinitesimal particles can be transported by road without seeping out. If all goes well, the antiprotons will be returned back to the lab. The hard part: Manipulating antimatter, like antiprotons, can be tricky business. As scientists understand the universe today, for every type particle that exists, there is a corresponding antiparticle, exactly matching the particle but with an opposite charge. If those opposites come into contact, they “annihilate” each other, setting off lots of energy, depending on the masses involved. Any bumps in the road on the test journey that aren’t compensated for by the specially-designed box could spoil the whole exercise.Tuesday’s practice is a first step toward making good on hopes, one day, to deliver CERN antiprotons to researchers at Heinrich Heine University in Düsseldorf, Germany, which is about eight hours away in normal driving conditions. The antiprotons have been encased in a 1,000-kilogram box called a “transportable antiproton trap.” It’s compact enough to fit through ordinary laboratory doors and fit on a truck. It uses superconducting magnets cooled to -269 degrees Celsius that allows the antiprotons to be remain suspended in a vacuum — not touching the inner walls, which are made of ... matter. The mass in Tuesday’s test — slightly less than that of about 100 hydrogen atoms — is so little, experts say, that the worst possible outcome is the loss of the antiprotons. Even if they do touch matter, any release of energy would be unnoticeable, only an oscilloscope, which picks up electrical signals, would be able to detect it. The trap, says CERN spokeswoman Sophie Tesauri, “is supposed to contain these antiprotons no matter what: if the truck stops, if it starts again, if it has to slam on the brakes — all that.” Work remains: The trap can contain the antiprotons on its own for only about four hours, and the drive to Düsseldorf is twice that.World Wide Web, for example, was invented here Heinrich Heine University is seen as a better place to study antiprotons in-depth, because CERN — with all its other activities — generates a lot of magnetic interference that can skew the study of antimatter.The center’s Antiproton Decelerator, where a proton beam gets fired into a block of metal, causes collisions that generate secondary particles, including lots of antiprotons. It’s billed as a unique machine that produces low-energy antiprotons for the study of antimatter. CERN’s “Antimatter Factory,” lab officials say, is the only place in the world where scientists can store and study antiprotons. The center has been experimenting with antimatter for years, and has made breakthroughs on measurement, storage and interaction of antimatter. Two years ago, the team transported a “cloud” of about 70 protons — not antiprotons — across CERN’s campus. It’s a similar drill this time, except that with antiprotons, a much better vacuum chamber is needed, according to Christian Smorra, head of a team behind the apparatus designed to store and transport antimatter. Jittery test teams weren’t available for interviews before the exercise, but were expected to explain the results afterward on Tuesday.Keaten is the chief Associated Press reporter in Geneva. He previously was posted in Paris and has reported from Afghanistan, the Middle East, North Africa and across Europe.
International News Christian Smorra Science Geneva Tim Berners-Lee Sophie Tesauri Dusseldorf World News World News
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