sleepwalking

How far can you travel while you're asleep?

An electric car crashed at trials at  80 mph. It was allegedly capable of 120 mph. In 1902.

The Romans used concrete 2,000 years ago. A lot of their stuff still stands.

Our concrete falls apart after a century. If it lasts that long.
In 2,000 years nothing will be left of us but the nuclear waste we emptied down mineshafts.
and Twinkies.
Twinkies last forever.
Maybe we should make buildings from Twinkies?

Nuclear energy.
Our nuclear reactors use uranium as a fuel. It's scarce and not very efficient.
It would be far more efficient to use thorium reactors.
Thorium is comparitively common.
A by-product of using uranium, as currently used in power stations is ....plutonium
Nasty suff plutonium
Goes bang.
but you can't get plutonium from thorium reactors.
And you need plutonium to make atomic bombs.
So way back, when we decided to build nuclear power stations, we chose to use uranium a fuel, and not thorium because we needed bombs, which needed .....plutonium.
Today we have to be careful as Iran and North Korea might generate plutonium as a by product from their uranium reactors.
And make bombs.
I guess we backed the wrong horse, somewhere.

Goodnight and God bless