Dr Patrick Cabe who is a member of the emeritus faculty at the University of North Carolina at Pembroke Department of Psychology, is the first to describe how to make a fully functional multi-aperture pinhole camera using a biscuit [‘cracker’ US]. Dr Cabe engaged in a practical demonstration of his camera to (indirectly) view the 2017 […]
Tag: camera
The ‘Singing Cymbal’ controversy
The photo above is a still from a CERN teaching resources video (2014). “Use a cymbal or metallic plate that can vibrate freely. Use a flash, for example from a camera, hold it close to the plate and flash. You will hear a low tone. Physics: The moment of the photons are transferred in an […]
New uses for old CDs (part 3)
Got old CDs? Looking for uses for them? Have you thought about their application in crime scene photography? “Tripod legs of cameras often sink into sand, mud, or snow. To avoid this, old CDs can be used by placing approximately three of them under the feet of the tripod. CD’s can also be used as […]
The jet powered maple seed (new patent)
In 1992, Litos et al. patented their bio-mimic throw-in-the-air toy called the ‘Autorotative Flyer’. It might not occur to everyone that the passive toy could be updated, and militarized, with the addition of a supersonic jet pack. But occur it did to high-tech weapons manufacturer Lockheed Martin Inc. which has just received a US patent […]
