WatchProSite
|
Market
|
Digest
WatchProSite
|
Market
|
Digest
Market
Digest
About us
Moderator Team
Terms of conduct
Privacy Policy
Contact us
Patron Circle
Sponsorship/Advertising
My Posts
Search all forums
Only threads
With images
Features
expand_more
Front Page
Editors Picks
Horological Meandering
News Central
Collectors Market
Collectors Market
Automotive
Food & Wine
WatchTech
WristScan
Spotlight
expand_more
Baselworld/SIHH
WatchProZine
Featured Forums
expand_more
F.P. Journe
Glashütte Original
Hublot
IWC
Jaeger-LeCoultre
Montblanc
Parmigiani
Patek Philippe
Richard Mille
TAG Heuer
Zenith
Brand Forums
expand_more
A. Lange & Söhne
Audemars Piguet
Blancpain
Breguet
Bulgari
Cartier
Chopard
Girard Perregaux
Harry Winston
Independents
Officine Panerai
Omega
Piaget
Roger Dubuis
Rolex
Seiko
Ulysse Nardin
Vacheron Constantin
Independent Brands
expand_more
All independents
Daniel Roth
De Bethune
Dufour
Franck Muller
Greubel Forsey
Grönefeld
Habring
Lang and Heyne
Laurent Ferrier
Max Busser and Friends
MIH
Ming
Moser
Nomos
Sarpaneva
Speake-Marin
Urwerk
Vianney Halter
Vincent Calabrese
Voutilainen
Lifestyle
expand_more
Photography
PuristS Chinese Digest
TimeOut
Resources
expand_more
Help Desk
ios
You don't have javascript enabled. The enhanced functionality of this site will not function properly without javascript.
Rolex:
Question on example of half-life?
"Radium-226 has a half-life of 1600 years, meaning that after 800 years its emission rate will be halved." Shouldn't this read, " Radium-226 has a half-life of 1600 years, meaning that after 1600 years its emission rate will be halved."
11Y
By: wmhmatt
1