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Kilogram goes on diet as cylinder loses weight
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By Jamey Keaten
PARIS -- A kilogram just isn't what it used to be.
A 118-year-old cylinder that has been the international prototype for the metric mass, and kept tightly under lock and key outside Paris, is mysteriously losing its weight -- if ever so slightly.
Physicist Richard Davis of the International Bureau of Weights and Measures in Sevres, southwest of Paris, says the reference kilo appears to have lost 50 micrograms compared with the average of dozens of copies....
Related newspaper, magazine, and journal articles from HighBeam Research
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Proto-kilogram loses some weight
Oakland Tribune
; PARIS -- A kilogram just isn't what it used to be. The 118-year-old cylinder that is the international prototype for the metric mass, kept tightly under lock and key outside Paris, is mysteriously losing weight -- if ever so slightly. Physicist Richard Davis of the International Bureau of Weights
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 "Capital (Annapolis)")
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Official prototype of kilogram is mysteriously losing weight
Capital (Annapolis)
; PARIS (AP) - A kilogram just isn't what it used to be. The 118-year-old cylinder that is the international prototype for the metric mass, kept tightly under lock and key outside Paris, is mysteriously losing weight - if ever so slightly. Physicist Richard Davis of the International Bureau of
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Kilogram has a weight problem
The Scotsman
; IN THESE girth-conscious times, even weight itself has a weight problem. The kilogram is getting lighter, scientists say, and it is sowing potential confusion over a range of scientific endeavours. The kilogram is defined by a platinum-iridium cylinder, cast in England in 1889 and kept in a sealed
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3 in D.C. Indicted on Drug Charges; Suspects Allegedly Sold Kilogram of Pure Cocaine to Agent
The Washington Post
; Three Washington men were indicted yesterday on conspiracy and cocaine distribution charges after they allegedly sold more than a kilogram of pure cocaine to an undercover agent during negotiations for the men to deliver to the agent a kilogram of pure cocaine a day. Drug Enforcement Administration
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 "All Things Considered (NPR)")
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Interview: Dr. Richard Davis discusses the shrinkage of the kilogram
All Things Considered (NPR)
; 00-00-0000 Interview: Dr. Richard Davis discusses the shrinkage of the kilogram Host: MICHELE NORRIS Time: 9:00-10:00 PM MICHELE NORRIS, host: And now a story about a weight problem. Don't worry, we're not going to talk about diet and exercise; rather physics. The kilogram is shrinking. Now when we
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 "The Economist (US)")
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Build a better kilogram ... and the world will beat a path to your door.(Science and Technology)
The Economist (US)
; ONE of the world's least-known public monopolies is hidden away in an underground vault in SAevres, near Paris. It is a shiny cylinder made of iridium and platinum and it is the only thing in the universe whose mass is known with infinite precision. That is because it weighs, by definition, exactly
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Original kilogram losing mass, status, scientists say.(The Dallas Morning News)
Knight Ridder/Tribune News Service
; DALLAS _ On the outskirts of Paris, in a locked vault to which only three people have the key, lies a treasure worth more than its weight in gold. It's even worth more than its weight in platinum and iridium, which is what it's made of. The squat metal cylinder weighs exactly 1 kilogram, as it
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Kilogram standard slowly losing mass: Scientists trying to devise new way to calculate measurement
Sunday Gazette-Mail
; DALLAS - On the outskirts of Paris, in a locked vault to which only three people have the key, lies a treasure worth more than its weight in gold. It's even worth more than its weight in platinum and iridium, which is what it's made of. The squat metal cylinder weighs exactly 1 kilogram, as it
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A step closer to an atomic-based kilogram?(new standard for weight measure under development)(Brief Article)
Science News
; Among global standards for length, mass, time, and other fundamental quantities, only the kilogram remains a physical object--a carefully machined cylinder of platinum-iridium alloy at the International Bureau of Weights and Measures at Sevres, France. Because the cylinder collects dust and in
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 "Morning Edition (NPR)")
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New Kilogram Standard
Morning Edition (NPR)
; 00-00-0000 BOB EDWARDS, HOST: This is MORNING EDITION. I'm Bob Edwards. Most precise measurements are based on unchanging natural phenomena. The meter or the mile is defined as the distance that light travels during a specific tiny fraction of a second. The second is determined by atomic clocks
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