is actually a right triangle—a shape that would be useless for pressing clothes—although the models sold in souvenir shops represent it in idealized form as an isosceles, with equal angles at ...

This means that this triangle is isosceles. An isosceles triangle has two sides that are congruent (equal) in length. Even if the measurements were not labelled, you would still know it is an ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

In an extraordinary achievement that has stunned the global mathematics community, two high school students from Louisiana ...

. . .in which I recount some experiences from my scientific life, point out the value of experiment and theory working together, indulge myself to a rant about science funding, and attempt to inspire ...