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• n  a pedal that controls the throttle valve
• n  a valve that regulates the supply of fuel to the engine
• n  (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
• n  a scientific instrument that increases the kinetic energy of charged particles

• A giant accelerator searches for a tiny and elusive particle that is key to understanding the origins of the universe.
• For ten months the world's most powerful particle accelerator (or atom smasher) was at Geneva, Switzerland, generating a beam of protons with up to 28 Bev (billion electron-volts .
• The same applies to the Large Hadron Collider, the world's biggest particle accelerator, which went online in September, ran for 10 days and then had to shut down at least until .

• accelerator pedal
• gas pedal
• gas
• throttle
• gun
• throttle valve
• catalyst
• particle accelerator
• atom smasher

• anticatalyst

News & Articles

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• Scientists develop tabletop particle accelerator
  KRISTEN BUTLER, UPI.com Tabletop particle accelerator brings power previously only reached by huge facilities to labs worldwide.
  June 21, 2013 - UPI
• This particle accelerator fits on a tabletop
  Physicists at The University of Texas at Austin have built a tabletop particle accelerator that can generate energies and speeds previously reached only by major facilities that are hundreds of meters long and cost hundreds of millions of dollars to build. read more        
  June 21, 2013 - TG Daily
• Particle accelerator that can fit on a tabletop opens new chapter for science research
  The laser plasma accelerator has accelerated about half a billion electrons to 2 gigaelectronvolts over a distance of about 1 inch. It's a downsizing of a factor of approximately 10,000, and marks a major milestone in the advance toward the day when multi-gigaelectronvolt laser plasma accelerators are standard equipment in research laboratories around the world.
  June 20, 2013 - Science Daily

Quotes

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• Joe Biden in Washington Post
  This is not a time to take our foot off the accelerator here,said Vice President Biden, speaking to reporters at the White House. "We still need to continue to create jobs and spur job growth."
• Stewart Cink in ESPN
  He had a hard time, it looks like, keeping the accelerator down on the back nine when things got out of hand,said Stewart Cink, who played the first two rounds with Woods and also missed the cut. "That's the way it goes. He's obviously got...
• Mohammad Khalil in Reuters India
  When the firing started one of the players shouted 'go, go' and somehow I kept my cool, ducked and pressed the accelerator and sped the bus towards the stadium,Khalil said.