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View Poll Results: What role do humans play in contributing to climate change?
Humans are the primary contributor to climate change 371 64.19%
Humans contribute to climate change, but not the main cause 149 25.78%
Not sure 31 5.36%
Climate change is a hoax 27 4.67%
Voters: 578. You may not vote on this poll

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Old 03-12-2022, 11:40 AM   #2761
Wormius
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Originally Posted by #-3 View Post
McMahon Stadium had these 30 years ago. cartons of coke with flaps folded over.

I thought 7-11 also used a similar style for big gulps or slurpees decades ago.
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Old 04-14-2022, 12:17 PM   #2762
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Game changer?

https://news.mit.edu/2022/thermal-heat-engine-0413
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Old 04-14-2022, 01:06 PM   #2763
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It's interesting, but it's efficiency is only 40%, and that would be after other conversion losses and heat loss, as I doubt you would have perfect containment of the heat. Would be interesting to hear how long an installation of the size they describe could run for. Might be good in desert areas with endless solar potential, just as a nightly battery.
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Old 04-14-2022, 01:13 PM   #2764
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The design could someday...
That almost always means never.
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