(THE CONVERSATION) In the middle of a chilly October night in 2025, my two friends and I suited up at the Cottonwood Creek trailhead and started a trek into the Sangre de Cristo mountains of Colorado.
A century-old Ramanujan formula for calculating pi has been discovered to emerge naturally in modern high-energy physics.
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Calculating pi using only the Pythagoras theorem
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Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in ...
Abstract: Current measurement error causes periodic speed ripple in permanent-magnet synchronous motor control systems. The typical normalized extended state observer ...
Abstract: As a high-precision (HP) position sensor, the optical encoder is the core component of modern electromechanical machines. During measurement, it is inevitably influenced by different ...
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