"We bring in a lot more money per cubic meter than cargo does."
Say it's on the order of three kilograms per meter.
These cost 15% less per square meter of space than traditionally constructed schools.
The remaining air would get lighter; less mass per square meter.
A rogue can hit with a force of more than 100 tons per square meter.
This statement is based upon 144 seats and 568 standing on the average six persons per square meter.
The average power of the wind is about 2 kW per square meter.
Up to 30 individuals per square meter were found in cotton fields of northern China.
House prices reach up to 300,000 euros per square meter.
This works out at between A$179,000 and A$217,000 per square meter.