About 150 years later, Benjamin Franklin reportedly used a kite to experiment with one of the earliest-known electrical capacitors.

大约又过了150年，本杰明·富兰克林利用风筝‘偷电’，这是已知最早的有关电容器的实验。

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And, according to the Sunday Telegraph, the experiment showed the more 'challenging' prose and poetry set off far more electrical activity in the brain than the pedestrian versions.

根据《星期日电讯报》的报导，这个实验还表明：比起那些平淡的版本，散文和诗作更具有挑战性，脑电活动也活跃得多。

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The results of the experiment can be seen in the figure on the right: What participants actually wrote is shown in blue, while their handwriting reconstructed from the electrical recordings is in red.

从右图中可以看到实验的结果：实验体实际写下的文字用蓝色显示，而从电子记录中重构出的笔迹用红色显示。

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But Mr Broadbent pulls together some striking evidence in support, including this wild and wacky chart (below) which looks like an electrical experiment gone wrong, but actually shows the movement of output across 81 sectors of the economy since the late 1990s.

BBC: The UK productivity puzzle (cont'd)

In January 1803 the anatomist and electrical showman Giovanni Aldini shocked London with a ghoulish experiment.

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