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Why NumPy is the Foundation of Python Data Analysis

These simple operations and others are why NumPy is a building block for statistical analysis with Python. NumPy also makes ...
Nature

What’s the cap on human energy expenditure? Elite athletes reveal ‘metabolic ceiling’

When athletes devote large amounts of energy to running or cycling, they unconsciously cut back on energy output elsewhere.

Are You Upper, Middle, or Lower Class? Here's the Income Cutoff

To land in the top 20% of U.S. households, you'll need to earn $153,001 or more. Here's where your income puts you, plus what ...
IEEE

Practical Phase Shift Angle Bounds in Current Fed Digitally Controlled ZVS Semi-Active Rectifiers

Abstract: This article reveals issues with operation of practical current source fed phase shift controlled semi-active rectifier (PS-ZVS SAR), often utilized as the output stage of resonant ...