They do exist, google floating pool filters/chlorinators.

From a best friend, sure, I fully agree.

However do be careful when it comes to other relationships, it does have the potential to cause problems.

I like the government to force companies to meet certain regulations for production of various food items so that they’re safe for everyone, but then let me pick at the grocery store from what’s then produced.

As with Rome, the limitation is often communication and transportation.

You’d have a hard time even keeping Mars part of unified empire with Earth given our current technology level. We simply can’t move things back and forth easily enough until we figure out fusion reactors (or some other power source) to a much higher level than we currently have.

Any sort of empire spanning more than a single solar system would require faster than light travel and communications.

Yes, normally noise is cumulative

It’s pretty easy to think about this in the context of a stadium of people. One person cherring, 10 people cheering, 1000 people cheering. They produce a louder result.

They didn’t even realize covid was killing them while they died in droves, so my bet is on never.

No corporation pollutes except to produce goods or services for human consumption, or for other businesses that provide goods or services for human consumption.

Every gallon of gas burned is to power a vehicle to move you, or the goods you purchase.

Every natural gas line leads to a house, of a business that sells things to houses.

Theres no such thing as a corporation without consumers, we are where the buck is created, and where the buck stops.