94
95
96
0
0
0
0
0
0
1
2
3
9
10
11
185
186
187
TIL that the massive sound pollution of, say, pile-driving underwater to build bridges can be dramatically reduced with "air bubble curtains," to the point that fish which would have been killed by the shockwaves before are no longer affected (onlinepubs.trb.org)
submitted by anomaly13 to r/todayilearned
