What is porous asphalt and how does it work?

Stormsingersays...

A minor point...porous asphalt is only briefly mentioned. The video spends some 90%+ of its time explaining porous concrete, which except for the embedded plastic is a fairly obvious concept. I still have no idea how porous asphalt could work...I'd think the tar would make it pretty watertight.

siftbotsays...

Moving this video to Mordhaus's personal queue. It failed to receive enough votes to get sifted up to the front page within 2 days.

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