InScience SpectrumbyThe armchair quantum physicist·1d agoWhy Doesn’t a Laser Beam Lose Its Shape?Why laser beams keep their shape — and how that leads to twisting light.
Alvaro Abascal·2d agoHow I tested different reflective materials for a laser sail using a phone light sensorI replicated a laser reflection experiment by usinga laser pointer and point it to different materials. Among these materials, I had a…
Vladimir K·Oct 27My Monitor Is a Shooting Range NowHow I built a free laser dry-fire game out of hardware I already owned.
InRadio HackersbyInvestigator515·Oct 14Before Bluetooth Ruled: When Devices Talked With LightInfrared was once the future of mobile data. Decades later, light-based links are finding a new purposeA response icon1A response icon1
Williamm Jamess·Oct 5Bring a Problem List to a Cosmetic Dermatology Consultation, Not a Shopping ListYour job is to describe what bothers you, what you can tolerate and what you hope will change. The procedure comes later.
Mohammad Yasir·Sep 12On The Structure of LightLight has a structure, and even carries angular momentum!
Ahmed M. Hala·Aug 13A Design of Less — Lethal PistolsThe design of a compact physical plasma pulsed-power non-lethal weapon begins from the foundational regime of low-voltage (hundreds of…
Luke Cole·Aug 4A Mirror Without Metal: The DBR Inside Lasers, Photonic Chips, and Gravitational-Wave DetectorsAn ordinary mirror reflects with a metal film. Many precision optical systems take a different route: they alternate transparent high- and…
Rawadeep Nepal·Jul 26In search of MoonI have attempted in one of my old articles to figure out a way to take humanity to the moon and beyond. Since then, I have realised that…
