3 ms·
A/B test or not, 9mg is impossible. That would be half the mass on a grain of salt. At those length scales the interesting forces at play are not fluid mechani
by crgvvfz 2y ago
A/B test or not, 9mg is impossible. That would be half the mass on a grain of salt.
At those length scales the interesting forces at play are not fluid mechanics, but capillary forces and surface tension. It also trivially easy to make - just rip a piece of gold foil weighing 9mg
- dTal 2y agoA mosquito weighs 2.5 milligrams. It also has almost exactly the same hovering power to weight ratio. At 8mm high it is indeed a very tiny "drone", and exceedingly fragile, but it is certainly not impossible.