"Measurement is the first step that leads to control and eventually to improvement. If you can’t measure something, you can’t understand it.” H. James Harrington

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Mass of an iPad Air

Mass of an iPad Air (470 g)

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If Mass of an iPad Air (470 g) was a standard unit ...

  • Mass of loaded MQ-9 Reaper military drone (4,760 kg)...more would be 10000 x Mass of an iPad Air
  • Mass of an emergency spare tyre for a small car (11.7 kg)...more would be 25 x Mass of an iPad Air

Is That A Big Number? - The Book

Yes, there's now a book based on these numbers. Oxford University Press: July 2018.

Click here to learn more about it.

Click here for Podcast: Andrew Elliott interviewed for New Books Network.

http://itabn.tumblr.com/post/138631317782/this-website