HOW DOES SENDING EMAIL OVER ENCRYPTED CHANNELS "PREVENT" EMAIL ADDRESS TYPOS?
It does insofar as the public keys of the intended receiver and the actual receiver don't match, and thus the actual receiver gets nothing but encrypted gibberish, thus no data is leaked.
The Raspberry Pi has the hardware to be very cheap while still being able to connect to a general lab setup and powerful enough for a lot of nice little projects.
...examples of leading climate researchers from Stanford, UC Berkeley, and Yale making statements like "by 2010, New York City will be underwater"
What "leading climate researchers" said this? Citations needed. Did you hear this on Fox News, or are you just making it up?
Rising CO2 levels and climate change are politically controversial only because the fossil carbon industry hired a bunch of PR firms to sow public doubt. Who needs science, when industry PR is gospel?
What we have is only the governmental mandate that an ISP with a local monopoly of lines has to offer capacity on the last mile to other ISPs in a non-discriminatory manner. That's all. Thus about every ISP is potentially able to offer his product everywhere. If he is not present with its own lines, they can be rented from the local monopolist or quasi-monopolist. Problem solved.
"Religion is something left over from the infancy of our intelligence, it will fade away as we adopt reason and science as our guidelines." -- Bertrand Russell