Isn’t the seabed, i.e. 70% of the world surface, covered in sand? Along with the obvious fact that sand could be manufactured. This is less about the world running out of sand and more about the world running out of CHEAP sand
If I recall, in order to use sand for industrial stuff, it needs to be pretty rough and really only beach sand is good enough. The only kinds of sand are too smooth.
Isn’t the seabed, i.e. 70% of the world surface, covered in sand? Along with the obvious fact that sand could be manufactured. This is less about the world running out of sand and more about the world running out of CHEAP sand
If I recall, in order to use sand for industrial stuff, it needs to be pretty rough and really only beach sand is good enough. The only kinds of sand are too smooth.