Earth’s magnetic field, a familiar directional indicator over long distances, is routinely probed in applications ranging from geology to archaeology. Now it…
The web can be an opaque black box: it leverages our personal information without our knowledge or control. When, for instance, a user sees an ad about…
A catalyst made from a foamy form of copper has vastly different electrochemical properties from catalysts made with smooth copper in reactions involving…
And yet, scientists have known for years that hydrogen can alter the performance of optical fibers, which are often used to transmit or even generate laser…
Physicists at The Australian National University (ANU) have created a tractor beam on water, providing a radical new technique that could confine oil spills,…
“It turns out that if ramped up slowly enough an otherwise potent signal elicits no response from the receiving cells. Meanwhile, a pulsing, on-off signal…