Making a traditional glass lens requires a lot of experience, skill, and patience grinding a piece of glass to the required shape, and is not for the casual experimenter. Making a glass Fresnel lens ...
The Chicago White Sox and left-handed pitcher Anthony Kay have agreed to a two-year $12 million contract, according to Robert Murray of Fansided. The former first-round pick out of the University of ...
[Robert Murray-Smith] doesn’t like the price of inverters to convert DC to AC. That led him to build a dynamotor, or what is sometimes called a motor-generator set. These devices are just DC motors ...
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