Engineering

Holographic printer produces 3D shapes in one shot

University of Utah researchers have demonstrated a new method of 3D printing that avoids the leaky seams that come with the layer-by-layer process. Using a nanoscale "mask" that diffracts laser light into a holographic pattern ...

Consumer & Gadgets

VR and gaming are adding a kick to taekwondo

When Vietnamese athlete Nguyen Thanh Hien Linh stepped into her first virtual taekwondo competition in Singapore in 2024, she had little idea what she was doing.

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