What is the best way of stacking apples?

When stacking apples on a market stall, fruit sellers "naturally" adopt a particular arrangement: a regular pyramid with a triangular base. A French-German team, which includes in particular the Laboratoire de Physique des ...

Tech review: New iPad an all-around upgrade

Apple used to be good at keeping secrets, but when you start building millions of "something new," details are bound to start trickling out. Such was the case with Apple's new iPad, which was announced just last month.

Building a better light bulb

Scientists study the movement of charge carriers to design an organic LED that is energy efficient and still casts a warm, natural glow.

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