Stacking concrete blocks is a surprisingly efficient way to store energy
https://news.ycombinator.com/item?id=17789456
#hackernews #tech
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@HN Speaking of energetic concrete blocks.... http://www.studiodrift.com/drifter/
Stacking concrete blocks is a surprisingly efficient way to store energy
https://news.ycombinator.com/item?id=17789456
#hackernews #tech
@HN Speaking of energetic concrete blocks.... http://www.studiodrift.com/drifter/