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A comment on New Record Bid Set for World's Cheapest Solar, Undercutting Coal. Parent comment
Could they perhaps achieve high enough mass in a small volume by using eg. lead?
Could it be that a train is more efficient at converting potential energy than a water turbine?
Could it be that they have a longer drop?
You gotta show your assumptions if you're arguing through back of the envelope calculation.
Could they perhaps achieve high enough mass in a small volume by using eg. lead?
Could it be that a train is more efficient at converting potential energy than a water turbine?
Could it be that they have a longer drop?
You gotta show your assumptions if you're arguing through back of the envelope calculation.