New insight into leaf shape diversity

Many of us probably remember the punnett squares by which we were introduced to the idea of genetic inheritance in school: a dominant allele in each of my brown-eyed parents hides a recessive allele that explains my blue ...

GHOST: Technology that leaps out of the screen

Exciting new technologies, which allow users to change the shape of displays with their hands, promise to revolutionise the way we interact with smartphones, laptops and computers. Imagine pulling objects and data out of ...

Physically dynamic surfaces may herald another tablet revolution

Apple's iPad arrived five years ago. It is a device that changed the way we think about computing, marking a seismic shift from keyboard and mouse to direct manipulation with our fingers. The iPad wasn't the first tablet ...

Explainer: What is 4-D printing?

Additive manufacturing – or 3D printing – is 30 years old this year. Today, it's found not just in industry but in households, as the price of 3D printers has fallen below US$1,000. Knowing you can print almost anything, ...

Shape-shifting alloys hold promise

Imagine untwisting a finger-size spring, then holding the flame from a lighter underneath the unraveled section. Like magic, it twirls itself into a spring again because the metal alloy remembered its original shape.

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