9,845 karma · joined August 6, 2014
It looks like the answer should be the same to this and your question.
One tip to have a better location awareness with electronic map is to enable trip recording, if you see your previous way you can sort of continue walking "inertially".
In principle, the price of food preparation should be smaller when done on a large scale, but for some reason it's not the case, except for the Southeast Asia.
We have unexplained phenomenon - consciousness, everyone (well, at least me) experience it. We don't have the mechanism for it, so we reject that phenomenon exists. I don't think it's a good idea to outright reject hypothesis, that have evidences behind it, but don't have a mechanism. Remember what happened to theory of washing hands for surgeons or to continental drift (it took half a century for it to be taken seriously!)
As an additional fun fact - we don't know how general anesthesia works.
1) People, who don't want to be affected by global warming. Right now nobody is affected enough to pay and it is too costly (estimates are $500/metric ton, while emission per capita is around 20 tonnes/year).
2) Captured carbon can be sold commercially for use in plastics industry, at some point it will be cheaper, than oil/gas extraction.
3) Carbon emission trading already exists, some companies even doing it voluntary, like Google. Direct air capture can piggy-back that system.