Laser Holograms Could Revolutionize 3D Chip Manufacturing

Researchers at UMass Amherst developed a novel method for aligning 3D semiconductor chips using laser light and concentric metalenses, projecting holograms that reveal even atomic-scale misalignments. This breakthrough could reduce chip manufacturing costs, enable advanced…





New Wearable Device Mimics the Complexity of Human Touch

With full freedom of motion, new device can generate a variety of sensations, including pulling, stretching, sliding, vibrations, pressure, and twisting. Credit: John A. Rogers/Northwestern University The device moves beyond simple vibrations to produce a…