RobHart - Slashdot User

Large Hadron Collider Scientist Arrested For al-Qaeda Ties 245

Posted by timothy on Sunday October 11, 2009 @08:12AM from the now-that's-gratitude-for-ya dept.

mindbrane writes "A scientist working as a subcontractor on a peripheral LHC project has been arrested as a terrorist. The CBC is running a story outlining the arrest of a man on Thursday in south-east France for suspected al-Qaeda links: 'CERN officials said the man, whose name has not been revealed, was working under contract with an outside institute and said he had no contact with anything that could have been used for terrorism. He had been at CERN since 2003, officials said. ... The news that someone with terrorist connections might have worked at the facility is likely to cause concern because of both the high profile of the giant physics experiment and also the technology in use, which has made some members of the public nervous.'"

Dad Builds 700 Pound Cannon for Son's Birthday 410

Posted by samzenpus on Monday August 31, 2009 @01:19PM from the targets-only-no-shooting-birds dept.

Hugh Pickens writes "The Charleston Daily Mail reports that machinist Mike Daugherty built his son a working cannon for his birthday — not a model — a real working cannon. 'It looks like something right out of the battle at Gettysburg,' says Daugherty. The 700 pound cast iron and steel howitzer, designed to use comparatively small explosive charges to propel projectiles at relatively high trajectories with a steep angle of descent, has a 4-inch gun barrel that is 36 inches long mounted on a wooden gun carriage with two 36- inch diameter wheels and took Daugherty about two weeks to build at a cost of about $6,000. 'I've always been interested in the Civil War and cannons, so I thought it would be a good gift,' says Daugherty's 11-year old son Logan. Daugherty said he is not worried about the federal government coming to get his son's cannon because he spoke to the federal Bureau of Alcohol, Tobacco, Firearms and Explosives and found it is legal to own such a cannon because it does not use a firing pin and is muzzle loaded so the government does not consider the weapon a threat. Two days after the family celebrated Logan's 11th birthday, father and son offered a field demonstration of the new cannon on top of a grassy hill overlooking Fairmont, West Virginia and on the third try, the blank inside the barrel went boom and a cannon was born. For a followup they popped a golf ball into the gun barrel, lit the fuse, and watched the golf ball split the sky and land about 600 yards away. 'Any rebels charging up this hill would be in trouble with a cannon like this at the top,' Logan says."

Comment Barnes Wallis Reinvented...again! (Score 5, Interesting) 707

by RobHart on Tuesday August 04, 2009 @03:55AM (#28937465) Attached to: 30,000-Lb. Bomb On Fast Track For Deployment

This is really a reinvention and extension of 1940's British technology. Barnes Wallis (of the bouncing "Dam Buster" bomb fame) designed a 5 tonne bomb (Tallboy) in 1943. The larger 10 tonne bomb (Grand Slam) was introduced in early 1945. It was dropped from a Lancaster bomber (by 617 squadron - the Dam Buster squadron) from about 20,000 ft and was close to sonic (320 m/s) when it hit the ground. It was designed as a penetrator, only detonating when well underground. It was used with devastating effect against the German U Boat pens, canals, bridges and viaducts where the "earthquake" effect of a deep explosion undermined foundations. The Grand Slam used 4,144 kg of explosives (Torpex)which is considerably more than the heavier bomb proposed by the US DoD with an earth penetration design depth of 40m. I would imagine that the higher impact speed of the US bomb requires a much stronger casing, but I am surprised at the small ordinance load. It is interesting to note that (as with much British technology) design data for the Grand Slam was shared with the US and a US version was made, but not (as far as I am aware) used in WWII. RobHart

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