Mobile cameraphones are really handy to have, but extra functions like zoom and focus are typically lacking. Engineer Bhautik Joshi decided to attach an SLR lens to his smartphone, and the results are ...
Offering a 360-degree view of the colon, aer-o-scope colonoscope helps to see behind the haustral folds of the colon. Offering a 360-degree view of the colon, aer-o-scope colonoscope also helps to see ...
These days, a pretty nice oscilloscope can fit in your toolbox and even a “big” instrument is probably something you can tuck under your arm. But that hasn’t always been the case. Consider this old HP ...
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