The Nest WiFi Router unit configures clients on its inner network to use
itself as the DNS server (for a couple reasons, including the ".lan"
domain resolution for devices on that network, but also as part of the
"safe search" feature). You can confi...
Regarding phases in an electrical system, this applies to only 110V
systems, and is, unfortunately, a little technical, but still
interesting. Imagine you only needed 110V power. You'd have a "hot" wire
and a "neutral" wire coming in to your house, w...
Powerline adapters will talk across the two phases, but it will reduce
the performance. Generally, powerline is slower than Ethernet. Whether
it's also slower than WiFi depends on a lot of things.
Sorry to hear you ran into trouble with the RPi. You can always grab it
and connect it via Ethernet inside to get it back without reflashing it
from scratch. It's definitely low level stuff, and it could go wrong
while you're working your way through...
