On first blush, it might seem that if you add an infinite number of positive numbers together, the sum must be unbounded. But if the numb...

This is the bell shaped curve from x ranging from -3 to 3. Note that this is NOT the normal curve, the famous workhorse of statistics. I...

If the two ends of a chain are held fast at the same height, what is the shape of the hanging section? This question has been around for a ...

The bottom half of a circle has tangents that don't look anything like the tangents of a parabola or the trough of a sine wave. Most ...

These are the tangent lines defined by the trough of a sine wave, with x between - pi and 0. Over this particular stretch, the curve mi...

I apologize to readers of this blog for my month's absence. My Internet provider was down for about eleven days and I prioritized the ...