When order gives way to chaos—the turbulent birth of magnetic nanovortices
Magnetic switching processes are considered a prime example of controllable physics at the nanometer scale: in certain thin-film systems, a short electrical current pulse is sufficient to reverse the magnetization in a targeted way. The underlying effect is the so-called spin–orbit torque: the current exerts a force on the magnetic moments in the material and can thus flip them in a controlled manner. This effect is expected to enable new data storage and computing architectures in the future.
New quantum sensor could count individual photons and hunt dark matter
Researchers have built an ultra-sensitive sensor capable of detecting unimaginably small amounts of energy — below one zeptojoule. The breakthrough relies on fragile superconducting materials that react to even the slightest temperature change. This level of precision could improve quantum computers, enable photon counting, and even help scientists detect elusive dark matter particles from space.
Chemists capture light-matter hybrid particles traveling long distances
To capture a crisp image of a hummingbird in flight, which can flap its wings up to 200 times per second, a photographer needs a camera with an extremely fast shutter speed. But what if your target is smaller than a single chromosome and can travel at velocities approaching lightspeed? Conventional cameras, no matter how advanced, are limited by the nature of light. You would need a special device and an innovative method to film such a tiny, speedy subject.
For more than 40 years Quantum Design (QD) has been providing technology solutions to researchers in the fields of physics, chemistry, biotechnology, materials science, and nanotechnology. Established in 1982 in San Diego, California, Quantum Design is the leading commercial source for automated materials characterization systems offering a variety of measurement capabilities.
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