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That black hole that was going to eat the Earth? Forget about it, and keep making the mortgage payments — those of you who still have them. A new particle accelerator, the Large Hadron Collider scheduled to go into operation this fall outside Geneva, is no threat to the Earth or the universe, according to a new safety review approved Friday by the governing council of the European Organization for Nuclear Research, or Cern, which is building the collider. “There is no basis for any concerns about the consequences of new particles or forms of matter that could possibly be...

European physicists have sent a neutrino on a 730-kilometre trip under the Earth's crust and taken a snapshot of the instant it slammed into lab detectors... In 2006, CERN started beaming neutrinos from its accelerator complex near Geneva, and have so far detected several hundred impacts in San Grasso. But the scientists have now taken the venture a step forward by starting to fill the San Grasso detector with small film plates which measure with high accuracy the cascade of particles that are produced when a neutrino impacts. These plates, called bricks, are each made of a sandwich of lead...

A £2 billion project to answer some of the biggest mysteries of the universe has been delayed by months after scientists building it made basic errors in their mathematical calculations. The mistakes led to an explosion deep in the tunnel at the Cern particle accelerator complex near Geneva in Switzerland. It lifted a 20-ton magnet off its mountings, filling a tunnel with helium gas and forcing an evacuation. It means that 24 magnets located all around the 17-mile circular accelerator must now be stripped down and repaired or upgraded. The failure is a huge embarrassment for Fermilab, the American national...

For decades, the big guns of American science have been the U.S. Department of Energy's particle colliders, which investigate the nature of matter by accelerating subatomic particles and smashing them together. Colliders at the Fermi National Accelerator Laboratory (Fermilab), Stanford Linear Accelerator Center (SLAC) and Brookhaven National Laboratory have discovered exotic particles such as the top quark and revealed phenomena that hint at new laws of physics. But this great American enterprise, like so many others, is now moving overseas. While the Europeans and Japanese build new particle accelerators, the U.S. is poised to shut down its premier colliders at...

A scientist says one of the most sought after particles in physics - the Higgs boson - may have been found, but the evidence is still relatively weak. Peter Renton, of the University of Oxford, says the particle may have been detected by researchers at an atom-smashing facility in Switzerland. The Higgs boson explains why all other particles have mass and is fundamental to a complete understanding of matter. Dr Renton's assessment of the Higgs hunt is published in Nature magazine. "There's certainly evidence for something, whether it's the Higgs boson is questionable," Dr Renton, a particle physicist at Oxford,...