Elise Colin·1h agoPlane Waves Do Not Exist.Neither do light rays. A few electromagnetic propagation complications between a polarimetric radar antenna and a layer of ice.
InScience SpectrumbyThe armchair quantum physicist·23h agoWhy Doesn’t a Laser Beam Lose Its Shape?Why laser beams keep their shape — and how that leads to twisting light.
InBetween Dhool and RoshnibyRajiv Chopra·6d agoHistorical Explorations: MoziMozi (Mo Di) and the first writing on pinhole photography.
Andrey Winter·Oct 31Optics in Computer Vision. Article 2: AberrationsThe article covers lens aberrations and degradation of image quality.A response icon4A response icon4
InStarts With A Bang!byEthan Siegel·Oct 29The sci-fi inspired “cloaking device” makes invisibility possibleTwo types of nanotechnology, metalenses and metamaterials, could soon make Star Trek’s long-imagined “cloaking device” a reality.A response icon4A response icon4
Elise Colin·Oct 26What Does a Partially Polarized Wave Look Like?Or why an ellipse is no longer enough to tell the whole story.
Aman Arham·Oct 26You bought thousands of GPUs. How do you connect them?Imagine this: you’re building a data center, and you’ve managed to get your hands on thousands of GPUs. Great, you’ve secured the hardware…
Mathcube·Oct 21Why Hubble Couldn’t Focus Away Its Flawed MirrorHubble’s mirror was ground two microns too flat at the edge, and the shape of that error made refocusing useless.A response icon2A response icon2
Ralf Becker·Oct 17No Lenses Required: Light Has a Hidden Ability to Twist ItselfPrepare a beam the right way and, as it crosses empty space, regions of left- and right-handed spin emerge, with nothing in its path to…A response icon3A response icon3
