3 ms·
Wanted to argue with you but apparently concrete is only 2.5g/cm3 so not that much different from water.
by heavenlyblue 6y ago
Wanted to argue with you but apparently concrete is only 2.5g/cm3 so not that much different from water.
- deleted 6y ago[deleted]
- stjohnswarts 6y agoThere have been ships made of concrete which I always found interesting. Ferrocement (I believe) is a form of boatcraft that can be done in your backyard without any special tools.