Smallest hard disk to date writes information atom by atom

Every day, modern society creates more than a billion gigabytes of new data. To store all this data, it is increasingly important that each single bit occupies as little space as possible. A team of scientists at the Kavli ...

Even low-level PCBs change bird songs

It may not kill them outright, but low-level PCB (polychlorinated biphenyls) contamination disrupts how some birds sing their songs, report Cornell researchers.

Ultracold atoms in a "Rydberg-dress"

Scientists at the MPQ (Garching) and MPIPKS (Dresden) have developed a novel technique to let atoms interact over large distances.

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