Activity for Paul92‭

Type	On...	Excerpt	Status	Date
Question	—	What is the right size for a technologically advanced species? I am aware of biological constraints to our size, such as the issues presented by Vsauce in this video. However, letting the biological factors aside, what is the perfect size for a technologically advanced species? There are some benefits to being small: materials are stronger, more abundant and th... (more)	—	almost 9 years ago
Question	—	How big should a terrarium be to be self-sustained? I read some time ago about terraria (singular: terrarium), which are basically small ecosystems of plants, isolated from the outside world (they get just energy from outside, not water or oxygen). The question is how big should such a terrarium be to support a human, assuming it has an infinite energ... (more)	—	almost 10 years ago