Their big advantage over LEDs is that they can be transformed into many different shapes including the screens for high-definition televisions.

BBC: Plastic bulb development promises better quality light

But Mr Horspool's achievement is to show the sheer extent to which rebellion in its many different shapes and forms has been a continuous and conscious tradition shaping the behaviour of both the ruled and their rulers.

ECONOMIST: Political rebels in England

But despite going to many different designers, the shapes of her gowns rarely changed.

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