101 karma · joined February 23, 2021
If we're going to have sensible public policy we need to educate ourselves better so that we're not always just reacting to the immediate crisis, but actually developing policies that are workable.
These algorithms are not benign. They make choices about what information you consume, whose opinions you read, what movies you watch, what products you are exposed to, even which politicians messages you hear.
When people complain about the takeover of algorithms, they don't mean databases or web interfaces. They mean this: content selection or preference algorithms.
We should be deeply suspicious. We should demand greater accountability. We should require that the algorithms explain themselves and offer alternatives. We should implement better. Give control back to the users in meaningful ways
If software engineering is indeed a profession, our professional responsibilities include tempering the damaging effects of content selection algorithms.
Steel and aluminum are out, as they are both chemically reactive at those temperatures. Other materials such as nickel alloys or certain ceramics may be possible, but the radioactivity of the fuel tends to embrittle materials over time as atoms in the containing material are converted by exposure to the fuel's neutron emissions.
The affected components include not just the reactor vessel, but also pipes, and in some MSR designs also pumps and heat exchangers. If those are subject to regular replacement, the used components are also low-grade nuclear waste and must be properly contained indefinitely.
https://en.m.wikipedia.org/wiki/Molten_salt_reactor
The other main impediment is regulatory: since we've never had commercial reactors of this type we don't have a legal framework to license these types of reactors to be run (and eventually decommissioned) safely.
At least, these are my novice understandings from some skeptical background reading. If someone with actual nuclear industry and/or research experience has a more detailed understanding, feel free to weigh in and correct me.