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Bubbles

Researchers demonstrate a bubble produced from light and used to propel micro-particles. Panel (a) shows the circular particle, with a diameter of 42 μm, and the laser beam, with a size of 405 nm, as the dark and light circles, respectively. In panel (b), 40 milliseconds later, the microcircle has traveled ten times its distance. Source: Ben Gurion University.

Researchers have developed a technique to propel microparticles using light and tiny bubbles

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