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A comment on MIT’s gas-powered drone is able to stay in the air for five days at a time. Parent comment

Re:MIT’s gas-powered drone is able to stay in the air for fi... by mikeash on Tuesday June 27, 2017 @08:07PM (#14650717)
Seems reasonable. All else being equal, your radar cross section is proportional to your actual cross section. Plus it's probably easy to spot a blimp with your eyes.
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