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1.
Turn your phone into a space monitoring tool
(
esa.int
)
357 points
by
JeanMarcS
on March 31, 2022
|
90 comments
2.
The humble water heater could be the savior of our energy infrastructure woes
(
salon.com
)
138 points
by
turtlegrids
on July 6, 2021
|
254 comments
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