Collaborate Disseminate
Before a spectrometer can do any useful work, it needs to be calibrated to identify wavelengths correctly. This is usually done by detecting several characteristic peaks or dips in a …read more Continue reading Building a Xenon Lamp for Spectroscopy
As frustrating as having an atmosphere can be for physicists, it’s just as bad for astronomers, who have to deal with clouds, atmospheric absorption of certain wavelengths, and other irritations. …read more Continue reading Deforming a Mirror for Adaptive Optics
Perhaps the most surprising thing about shadowgraphs is how simple they are: you simply take a point source of light, pass the light through a the volume of air to …read more Continue reading Finding Simpler Schlieren Imaging Systems
Imagine you have a projector pointing at a scene, which you’re photographing with a camera aimed from a different point. Using the techniques of modelling light transport, [okooptics] has shown …read more Continue reading Light Transport and Constructing Images From a Projector’s Point of View
Ever since the invention of the microscope, humanity has gained access to the world of the incredibly small. Scientists discovered that creatures never known to exist before are alive in …read more Continue reading 19th Century Photography in Extreme Miniature
Taking a picture with a single photoresistor is a brain-breaking idea. But go deeper and imagine taking that same picture with the same photoresistor, but without even facing the object. …read more Continue reading Pictures from Paper Reflections and a Single Pixel
In a recent video, [Shahriar] from The Signal Path has unveiled the intricate design and architecture of optical HDMI cables, offering a cost-effective solution to extend HDMI 2.0 connections beyond …read more Continue reading Let There Be Light: The Engineering of Optical HDMI
Photographic accessories are often plagued by high prices, as photography is considered a rich man’s game. It doesn’t have to be that way though, and [Snappiness] is here to get …read more Continue reading A Waist Level Viewfinder For Not A Lot
Have you ever struggled with the concept of quantum measurement, feeling it’s unnecessarily abstract? You’re not alone. Enter this guide by [Mithuna] from Looking Glass Universe, where she circles back …read more Continue reading Shedding Light on Quantum Measurement with Calcite
Hackers and makers have built just about every kind of clock under the sun. Digital, analog, seven-segment, mechanical seven-segment, binary, ternary, hexadecimal… you name it. It’s been done. You really …read more Continue reading Innovative Clock Uses Printed Caustic Lens