Tag Archives: The World According to Physics

Lighting Up the Dark: Jim Al-Khlalili on The World According to Physics

12 May

Jim Al-Khalili’s presentation for the Swindon Spring Festival (online) was a bit of a tease; a clever and fabulously clear description of all that’s currently wrong with Physics but without telling us what needs to be done about it.

For that you need to buy his new book, The World According to Physics.

That won’t be a burden for me. I already own three or four Al-Khalili’s and admire his clear writing, his innovative TV explanations and his inspiring Life Scientific on the radio. I’m a bit of a fan and so hearing him almost tell me what was in his new book was a genuine treat.

What we got was ‘an exploration of the shoreline of our island of knowledge in the ocean of our ignorance’. Exhibit 1 was dark energy. I well remember reading about this myself, for the first time, in the late 1990s and thinking (in Rabi’s famous words concerning an earlier discovery) ‘who ordered that?’

So what is dark energy?

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