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...health and safety with hot objects. OK, so let's see. And the weight's gone down to 98 grams. So I'll record that. After one minute, 98 grams. Now I'll pop it back in and give it another minute. [DING] That's another minute up, so I'll do another measurement. It now weighs, oh, 84 grams. I'm just going to give it one more minute and see if the weight continues to fall....

...Public Blow-Hard Number One, found plenty to find fault with. ‘If you cut that belt in two lengthwise, you will end up with two belts, each the same length as the original belt, but only half as wide.’ ‘No,’ said Ford Fordsen, ‘this is a very special belt known as a Möbius strip. If I cut it in two lengthwise, I will end up with one belt twice as long and half...

...public knowledge.) [Figure 4] Figure 4 Plimpton 322 Look at the photograph and notice the main features of what remains: four columns of numbers, with words at the head of each column. Now look at the transcription (we have labelled the columns A, B, C for ease of reference), and see if any pattern is evident to you A B C [1;59,0,]15 1,59 2,49 1 [1;56,56,]58,14,5O,6,15...