The tooth profile of the spur gears is generated as an involute curve. The meshing of a crowned pinion tooth surface and a conventional involute gear tooth surface should be the subject ...

This week, we’re exploring just some examples of the “golden ratio”. Fibonacci, or “Leonardo of Pisa”, wasn’t the first to ...

In particular, gear teeth shaped using cycloidal and involute curves reduce friction and torque, allowing gears to rotate more efficiently. During the second half of the 19th century, mathematical ...

Do most individuals die young or live to ripe old ages? Survivorship curves visually answer these demographic questions. Imagine a population of 1,000 individuals born at the same time in the same ...

The golden ratio is a mathematical concept that represents symmetry and balance. Some of the greatest works of art and architecture, admired over the centuries for their beauty, are said to embody ...

Don’t take more than 4% out of your retirement nest egg. And then there’s the golden ratio budget. Here’s why Morningstar says you should consider this strategy. A financial advisor can help ...

£36 + £54 = £90 Draw bars to represent the amount of German Shepherds, Golden Retrievers and Labradors. German Shepherds are 1 part of the ratio, Golden Retrievers are 5 parts and Labradors are ...

And after seeing her reaction, the owner likely won't do it again. Miley the golden retriever was enjoying her time outside of the apartment, and like most dogs, she could've stayed out forever.

The millions of golden jellyfish that pack Palau’s Jellyfish Lake spend much of their lives on the move during a daily migration that follows the sun’s arc across the sky. Before sunrise ...

Here's what to know ahead of the show's Sept. 18 premiere. The inaugural season of "The Golden Bachelorette," starring Joan Vassos, premieres Wednesday night. The show will feature 24 men vying ...