Tuesday, 17 September 2013

Modern history, politics and a bit of theoretical physics!

Following our conversations yesterday about post-war Germany, someone on Facebook very helpfully posted a link which fitted perfectly.  It significantly exceeded the time we had been talking about, but we were able to pause at appropriate moments and see how far Germany reached during the war (having talked previously about Vichy France for example).  It shows how Europe has changed over the last thousand years.  Since we'd talked about the division of Berlin at the same time, the conversation quite naturally led on to the Berlin Wall and I told them about how its fall happened when I was a teenager.  We found some links about that and read and watched them.  We also talked, simply and briefly, about democracy, communism and the Cold War as a result.

Another link that was posted on Facebook, was one about The Scale of the Universe.  It's one we've seen and explored before, but K spent quite a while exploring it and reading about some of the things on there and we touched on theoretical physics when she asked me about the smallest things on there which is 'string', however String theory is rather beyond me, so that was a rather short conversation!  We did talk about physics generally though and how there are things that you can do experiments about to find out, but there are some things that you can't and that's where theoretical physics comes in, but the theories have to fit in with what is known as well as trying to come up with a valid explanation for what isn't.

Apart from all that the girls both had piano lessons, a gymnastics class, in which it looked like they were having a great time doing balances in pairs, and korfball this evening.

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