Researchers report the first realization of on-chip optical levitation in a vacuum with an ultrathin metalens. Accomplishing this feat in a vacuum helps improve the sensitivity of the system.

The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...

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Levitation as a technique generally refers to engineered methods for stably suspending an object against gravity without mechanical contact, using physical forces such as electromagnetic, ...

Scientists have demonstrated how to levitate a variety of objects -- ceramic and polyethylene spheres, glass bubbles, ice particles, lint strands and thistle seeds -- between a warm plate and a cold ...

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(Nanowerk News) Researchers have created tiny chip-based optical tweezers that can be used to optically levitate nanoparticles in a vacuum. Optical tweezers — which employ a tightly focused laser beam ...

Although scientists have been able to levitate specific types of material, a pair of UChicago undergraduate physics students helped take the science to a new level. Third-year Frankie Fung and ...

Although scientists have been able to levitate specific types of material, a pair of UChicago undergraduate physics students helped take the science to a new level. Third-year Frankie Fung and ...