Tydsrekking: Verskil tussen weergawes

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Skakel
Lyn 14:
==Atoomhorlosies==
 
Tydsrekking is bevestig met atoomhorlosies: atoomhorlosies by seevlak verloop tot ses mikro sekondes stadiger as atoomhorlosies wat hoër bo seespieel is.<ref>Kyk byvoorbeeld [http://www.dailymail.co.uk/sciencetech/article-1314656/Scientists-prove-time-really-does-pass-quicker-higher-altitude.html How to add 90billionths of a second to your life . . . live in the basement: Scientists prove time really does pass quicker at a higher altitude] of [http://www.livescience.com/8672-higher-faster-age.html The Higher You Are, the Faster You Age]</ref>
 
 
==GPS satelliete==