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Nikola Tesla obtained 300 patents in his lifetime in over 26 countries. Patents #1–#50 U.S. Patent 0,334,823 – Commutator for Dynamo Electric Machines – 1886 January 26 – Elements to prevent sparking on dynamo-electric machines; Drum-style with brushes...

All photographs by Jessica Camille Aguirre. All rights restricted. Left: Blood samples are tested at the U.S. Naval research laboratory in Lima, Peru, to determine dengue strains from patients in Iquitos.    THERE ARE FEW PLACES where you...

Oof! It’s been nearly a year since I last shared my findings in the field of interesting esoterica. I fear this may be quite a long post. In case you’re new to this: every now and then I encounter a paper or a book or an article that grabs my interest...

Make a name of wholly the products or services you leave. Heel and trace your customers. Do you consume agreements with other organizations that ply components for your clientele? Before this happens to your company, accept a skillful firmly appear at...

Internal combustion engine Internal combustion engine is a heat engine where the combustion of afuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit. In an internal combustion...