The material is lighter than air, but at the same time it is filled with air. The space the material and air occupies is slightly lighter than the same amount of space of air but it's not enough to make it float.
The material is lighter than air, but at the same time it is filled with air. The space the material and air occupies is slightly lighter than the same amount of space of air but it's not enough to make it float.
Depends on the elephant
Paid by the tax payer. Like roads and schools.
Yeah. That’s not “free”.
it is for foreigners
Yes, it is free. You don't pay to use it. That's the definition of free.
The material is lighter than air, but at the same time it is filled with air. The space the material and air occupies is slightly lighter than the same amount of space of air but it's not enough to make it float.