Fashion
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Skepticism About Tales of Time Travel
May it not be that our inability to leap into the fiftieth century, A.D., seems impossible to us, merely because…
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Rooting Out Results from Quadratic Equations
The general quadratic equation has the form ax2 + bx + c = 0, and b or c or both…
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Food Protection with High Temperatures, and Characteristics of Thermophilic Microorganisms
The use of high temperatures to preserve food is based on their destructive effects on microorganisms. By high temperatures are…
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Spacetime Diagrams, Light Cones, Metrics, and Invariant Intervals
Come back when you know tensor calculus and I’ll explain to you about n-dimensional forces and the warping of world-lines.”…
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Solving Quadratic and Rational Inequalities
A quadratic inequality is an inequality that involves a variable term with a second-degree power. When solving quadratic inequalities, the…
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Translating between Inequality and Interval Notation
Equality: a powerful word in social, political, and humanitarian arenas. And, it’s no less powerful as far as mathematics is…
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Figuring Out the Quadratic Formula
Going for the greatest common factor. Another type of cubic equation that’s easy to solve is one in which you…
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Spotting the Taker in a Giver’s Clothes
If you’ve ever put your guard up when meeting a new colleague, it’s probably because you thought you picked up…
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Quantum Gravity, Singularities, Black Holes, and Time Travel
A [spacetime] singularity is where God is dividing by zero.” —Anonymous “A theory that involves singularities and involves them unavoidably,…
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Zeroing in on the multiplication property of zero
Before you get into factoring quadratics for solutions, you need to know about the multiplication property of zero. You may…
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