What do we really know?

There are people who believe that we are close to having a grip on knowing how everything works. I’m not one of them, though I admit the idea is attractive to my rationalist side.

I think I heard the death bells knelling for this idea when I read that the universe is currently thought to be composed of:

74% Dark Energy
22% Dark Matter

and

4% is the stuff we know about, like matter & normal energy

No too many years ago, before astronomers discovered that the universe is expanding and accelerating rather than expanding and slowing, they used to think that they almost had everything tallied. And then 96% of everything got away from them. It shook my confidence, I’ll tell you.

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