King inventors - Edison filament do in order to find the best materials have been done a 1000 experiment many times and failed.

发明家大王爱迪生为了寻找做灯丝的最好材料曾做了1000多次实验，并且都失败了。

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Dr Marschner and his colleagues used a benchtop version of CT, developed for looking at the structure of materials rather than at human bodies, for their experiment.

马斯纳博士和他的同事利用一个用来侦测物质内部结构而不是医用于人体的台式CT机来完成他们的实验。

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Using keys, you can combine different lights with materials to experiment with the effects.

按其中的键可以将不同的颜色与材质综合，感受不同的效果。

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All of the materials needed for each experiment are included, along with a lesson plan, instructions and "factoid" cards with tidbits of interesting trivia, such as the number of elements on the periodic scale.

ENGADGET

The materials Dr Brooks and his colleagues are planning to use in their experiment have more complex molecular structures than graphite, but they work in essentially the same way to create restrictions on where electrons can go.

ECONOMIST: Magnetism

To test this idea, Dr Hebets turned to her make-up bag and brought out two shades of nail varnish (NailSlicks, midnight metal and bronze ice, as her paper in the Proceedings of the National Academy of Sciences quite properly describes in its materials and methods section, in case any other researcher wishes to replicate the experiment).

ECONOMIST: Female spiders are picky lovers