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I got the opportunity to present my article "The Educational Power of Being Wrong" at the South African Institute of Physics Conference (SAIP) in Limpopo, last month. But if you have read my article - https://www.bizcommunity.com/PressOffice/PressRelease.aspx?i=208017&ai=189268 - you'll know that I do rather ramble through a number of disparate topics (scripture, smarties, mirrors, poetry, moonlight, climate change, even Nemo's lucky fin) so I really battled to get the thing to cohere into a 20-minute PowerPoint with a punchline. The people at TED will tell you that for their slots (18 minutes) you really need to share just the one idea so, finally, I picked what I thought was the main concept, and illustrated it with a live demo of tumbling technology. 20 Aug 2019Read more
Did you know that all colours of Smarties taste the same? Standard food colourant is flavourless so different colours are indistinguishable. I discovered this quite recently but have been hesitant to share it, because I suspect it's common knowledge. This happens to me periodically. I rush to share something tremendously interesting and most people wonder why I am bothering them with something so obvious. 2 Apr 2019Read more
I am standing in the splendid hall of the Smithsonian Museum in Washington. The guide points at the Wright Brothers' Kittyhawk plane hanging from the ceiling. "That is from 1903." He gestures towards the Apollo 11 Lunar Landing Module against the opposite wall. "1969," he says. "In less than the lifespan of an average man, we went from a few metres of flight to putting a man on the moon." 20 Nov 2018Read more