When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

This is a blog post from i09 that we are reposting, it discusses the fine line separating conspiracy theories and rational skepticism. As some of you may have surmised, I have a passing interest in ...

Mathematics students face challenges with rational and irrational numbers. Understanding the principles and patterns simplifies this concept. Rational numbers can be fractions of integers. Irrational ...

Irrational numbers are numbers that cannot be expressed as the ratio of two whole numbers. This is opposed to rational numbers, like 2, 7, one-fifth and -13/9, which can be, and are, expressed as the ...

What is the most bizarre real number that you can imagine? Probably many people think of an irrational number such as pi (π) or Euler’s number. And indeed, such values can be considered “wild.” After ...

Unfortunately for previous cosmological theories, the universe appears reasonably convincingly to be expanding at an accelerating rate. This, all physicists know, is no small problem. It is so severe ...

IBM Rational is introducing on Wednesday several enhancements to its Rational product line intended to enhance customers’ own product development efforts. “We’re focused on the larger strategy of ...