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Simple Machines: Levers, Gears, and Mechanical Advantage Explained
The film *Spinning Levers* explores the fundamental mechanics of levers and gears, illustrating their role in various ...
What Hi-Fi?25d
Epson’s new 4K ultra-short-throw laser projectors promise massive, bright pictures and flexible installation
Epson has expanded its home cinema range with two "4K Pro-UHD" laser projectors ... and offer "near-instant" warm-up and cool-down times for enhanced convenience and energy efficiency. The Epson ...