Yes.

1) In an airplane during take-off.
2) In the US embassy.
3) During a game of badminton.

But you don't necessarily need wires. You could have a small battery, say the size of an SD card, in the sole of the shoe. Once a similar battery in your phone is low on juice, you'd swap it for the one that lived in the sole of your shoe for the last 6h.

They'd just use a different marker, or switch to chalk and blackboard.

You mean humanity did not know warfare before either of {Syria, Libya, North Korea, Iran} came into being? You're funny.

or a sus4 chord :).

Have you considered an alternative sleep pattern? http://en.wikipedia.org/wiki/Polyphasic_sleep

LibreOffice and/or OpenOffice. You're welcome.

As the size of the cache gets larger, the cache lookup gets slower. Hence it's better to have a hierarchy of caches rather than one big monstrosity, never mind the cost.

Protium oxide, more like. After all, deuterium too is hydrogen.