Dashing the dream of ideal 'invisibility' cloaks for stress waves

Whether Harry Potter's invisibility cloak, which perfectly steers light waves around objects to make them invisible, will ever become reality remains to be seen, but perfecting a more crucial cloak is impossible, a new study ...

Why don't birds fall over when they jump?

Scientists have been analysing the way birds jump when they take-off to help us understand why they simply don't just fall over when attempting to fly.

500-year-old Leaning Tower of Pisa mystery unveiled by engineers

Why has the Leaning Tower of Pisa survived the strong earthquakes that have hit the region since the middle ages? This is a long-standing question a research group of 16 engineers has investigated, including a leading expert ...

Creature's 'dactyl club' filters shear waves to resist damage

The "smasher" peacock mantis shrimp is able to repeatedly pummel the shells of prey using a bizarre hammer-like appendage that, new research shows, can withstand rapid-fire blows by neutralizing certain frequencies of "shear ...

Self-folding structure could slash energy use in buildings

Princeton student Denisa Buzatu's vision for an environmentally sustainable building is a sort of shape-shifting origami fa├žade. For her senior thesis, Buzatu, a civil and environmental engineering major, is designing and ...

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