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getknk

Bill Gates Just Blew Our Minds In A Single Tweet

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Huffington Post Link

For the past several years, China has been building stuff at a mind-blowing pace. Just how mind-blowing? Here, let's let Bill Gates put it in perspective:

Bp-nf-QCMAAumYj.jpg

Think about this for a second. Between 1901 and 2000, the U.S. built an entire interstate highway system, the Golden Gate Bridge, the Hoover Dam and just about all of its skyscrapers -- to name just a few concrete-intensive things. China did all that, and almost half again, in just three years.

On his blog, Gates suggested that all of this concrete had helped pull Chinese out of poverty. But all of this building has also left China with a huge and dangerous property bubble, massive ghost cities and empty housing.

Edited by getknk

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Is it really that much of a surprise.

Doesn't it reflect more on the nature of the US progress.

US progress for decades being based on "paper" and China's current progress being based on things.

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US - Stick built housing, very little concrete in the foundations - doesn't need to bear much weight, not even cementous/stone roof tiles. Commercia buildings and insfrastructure would use a fair bit. Compare to China, large scle residential build, pretty much all concrete. So that would account for a lot.

Still different scale altogether, the Chinese are doing in peacetime what the UK and US only did in wartime.

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But all of this building has also left China with a huge and dangerous property bubble, massive ghost cities and empty housing.

and the US has a lot of very rich bankers and politicians.

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US - Stick built housing, very little concrete in the foundations - doesn't need to bear much weight, not even cementous/stone roof tiles. Commercia buildings and insfrastructure would use a fair bit. Compare to China, large scle residential build, pretty much all concrete. So that would account for a lot.

Still different scale altogether, the Chinese are doing in peacetime what the UK and US only did in wartime.

good points, but aren't US houses much bigger than Chinese ?

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That's lots then. Like a trillion light years to our nearest space persons. the mind keeps boggling

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good points, but aren't US houses much bigger than Chinese ?

Yes, but even so if only 1/10th is used for footings and the rest is wood then big difference, also highrise will have large volume taken up by communal areas, stairwells and lift shafts so overall bigger than stated sizes..
US home size has fallen a little since the recession, to 201 m2 (2,164 ft2) in 2009. UK house size is relatively small at 76 m2 (818 ft2) while Canadian houses are quite big at 181 m2 (1,948 ft2). For China the data only reflects urban properties, which now average 60 m2 (646 ft2) and have almost doubled in size in the last 15 years.

Read more at http://shrinkthatfootprint.com/how-big-is-a-house#3RJ2HoY5mjHx3sDc.99

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A cubic mile of concrete would weigh around 10 gigatons, and this is only 2/3 of that.

Still a pretty big lump, but perhaps less than people imagine.

A cubic mile is still a hell of a lot of stuff.

It would be enough to cover the whole of Greater London with a 2.5 metre thick layer of concrete.

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A cubic mile of concrete would weigh around 10 gigatons, and this is only 2/3 of that.

Still a pretty big lump, but perhaps less than people imagine.

Equivalent to Milton Keynes

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