Imagine a liquid that flows freely one moment, then stiffens into a near-solid the next, and then can switch back with a ...

A team of researchers has developed a novel method for using cholesteric liquid crystals in optical microcavities. The ...

Reviews the history of optical trapping and manipulation of small-neutral particles, from the time of its origin in 1970 up to the present. As we shall see, the unique characteristics of this ...