顶楼主。 S(CVkCP
开始以为是笑话，上网一查，是真事，阿根廷国家农技所的项目，并预言2070年后大家生活的城&乡没准会以屁甲烷为能源，原文如下： G5 RdytK
These new cow fart packs from Argentina could save the world afzx?ekdF
T8x8TN"
\&ki79Ly-
This is not a joke, but it is funny. It's also practical. ,+I]\ZeO
#^R@E Z
Argentina's National Institute for Agricultural Technology (INTA) has invented a way to convert cow flatulence into usable energy, and it involves putting a plastic backpack on a cow. CF@*ki3 X
o wb+,Gk(
In other words, cow fartpacks are here. yrl7
w0 vsdM;G
The reason this is not a joke is because it is actually happening, but also because cows are responsible for a remarkable amount of global methane emissions, which are a major cause of global warming. It's a real problem. :"H? phk
'2|P- /jU
According to the EPA, cow farting (and burping, actually a lot of it is burping) accounts for 5.5 million metric tons of methane per year in the United States — that's 20 percent of total US methane emissions. _6'@#DN
c27(en(
Here's how the fartpacks work: tubes run from the backpack into the cows' rumen (or biggest digestive tract). They extract about 300 liters of methane a day, which is enough to run a car or a fridge for about 24 hours. .rnT'""i<5
(h g6<`
Pablo Soranda, INTA press officer, told that the project is more about making a point than it is converting people to a way of life. "S*@._
{J,4g:4G
He doesn't think we're going to live in fart-powered cities before 2070, but he can "imagine a future farm with a couple of these cows used to provide energy to satisfy the farm’s needs." %r*,m3d
KWAd~8,mk
Just fart-powered farms, then. Excuse me？ 2)T;N`tNw
nwC*w`4
我觉得还不是太搞，苹果不也想出iFart吧。祝大家周末开心。 `AvK=]
A|YgA66M
'cQ,;y
$)BPt GMGo
NJV kn~<
J9DI( `
