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"German units of measurement" -wikipedia - Google 検索
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リセット
The small things make a big difference in the science of measurement
European Union
As technology shrinks to the nanoscale, measuring the things we can barely see becomes ever more important. © Rito Succeed, Shutterstock.
24か
月
げつ
前
まえ
Our vanishing world of physical units
DW
It must be a baker's worst nightmare: a world where a kilo ain't a kilo anymore. Next May 20, the universal standard for a kilogram gets its...
72か
月
げつ
前
まえ
Busting Myths about the Metric System | NIST
National Institute of Standards and Technology (.gov)
This year will be the 45th anniversary of the Metric Conversion Act, which was signed on De.
43か
月
げつ
前
まえ
A new model for standards | symmetry magazine
Symmetry Magazine
In an upcoming refresh, particle physics will define units of measurement such as the meter, the kilogram and the second.
82か
月
げつ
前
まえ
Light oscillations become visible
Max-Planck-Gesellschaft
Attosecond "oscilloscope" rendering the hyper-fast field oscillations of visible light demonstrated for the first time.
237か
月
げつ
前
まえ
The way we define kilograms, metres and seconds changes today
UNSW Sydney
We measure stuff all the time – how long, how heavy, how hot, and so on – because we need to for things such as trade, health and knowledge.
60か
月
げつ
前
まえ
Great miscalculations: The French railway error and 10 others
BBC
The discovery by the French railway company that 2000 new trains are too wide for many platforms is embarrassing, but far from the first...
120か
月
げつ
前
まえ
German businesses are taking a clear stand for diversity, openness ...
Siemens press
Over 30 companies stand united for our values and against extremism and populism First joint campaign for the European elections Focus on...
1か
月
げつ
前
まえ
Scientists Measure Smallest Unit of Time Ever in ‘Zeptoseconds’
Voice of America
German scientists say they have measured the smallest unit of time ever recorded.
43か
月
げつ
前
まえ
Validity and reliability of the Apple Health app on iPhone for measuring gait parameters in children, adults, and seniors ...
Nature
This study assessed the concurrent validity and test–retest-reliability of the Apple Health app on iPhone for measuring gait parameters in...
14か
月
げつ
前
まえ