Driven by ongoing progress in integrated photonics, compact on-chip light sources are expected not only to lase efficiently, but also to emit structured vector beams with nontrivial polarization ...

You have most likely encountered one-sided objects hundreds of times in your daily life – like the universal symbol for recycling, found printed on the backs of aluminum cans and plastic bottles. This ...

One-sided objects are surprisingly common – and misunderstood. What are they, and how have they helped us understand the world? You have most likely encountered one-sided objects hundreds of times in ...

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A film loop twisted at its splice reverses a scene to its mirror image with each repetition. Here, spinning propellers describe three different forms: an ascending helix of propellers, two lines of ...