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A comment on MIT invents $4 solar desalination device. Parent comment

Re:MIT invents $4 solar desalination device by zwirbl on Wednesday August 03, 2022 @04:59AM (#32329305)
Which ignores that it is 4$ per prototype and it works for longer than 1 week already
[ Parent | on HN ]
Re:MIT invents $4 solar desalination device by tekknik on Thursday August 04, 2022 @09:59AM (#32342985)
from the article:

“If it does prove durable, it could be a relatively cheap way to get freshwater to people in need of it.”

The engineers are unsure of how long it will last and if it’s actually cost effective, yet there’s many HN comments here that seem to suggest they know better. Where are you getting your information that the rest of us are not privy to?

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Re:MIT invents $4 solar desalination device by cyberlurker on Wednesday August 03, 2022 @07:05AM (#32330107)
$4 for 4 people too.
[ Parent | on HN ]