The trick lies in repetition. Once the brain sees the same number appear dozens of times, it stops paying close attention. Psychologists often call this “visual fatigue.” Your eyes are scanning, but ...

For Mr. Santos, math can also inspire ideas about structures that have already been built — a new way to see and appreciate ...

A new brain teaser, now circulating online, shows a plain grid filled edge-to-edge with the number 23. Twelve columns, seven rows, nothing unusual at first glance. It looks almost too simple. But here ...

Molarity is the concentration of a solution in terms of the number of moles of the solute in 1 dm 3 (1 liter) of the solution. What are the units of molarity? The units of molarity are M or mol/L. A 1 ...

Numerology is the science of numbers. Numerology studies the hidden meaning of numbers and how they affect the personality of people. Numerology identifies a variety of numbers based on inputs. Some ...

Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...

Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, insurance portfolio management, finance and accounting, personal investment and financial ...

September baseball means expanded rosters, playoff races and math for teams in postseason contention. The Philadelphia Phillies are in the postseason and are National League East champions, but ...

Chelsea mascot Bridget the Lioness, has a song and movement routine to help students learn their 2 times table. Let Cyril the Swan get your class moving and learning the 4 times table with this fun ...

For a molecular system, I can use mol.intor('int1e_grids', grids=coords) to compute nuclear attraction integrals for fictitious points on a grid. A similar feature doesn't exist for pbc. I realize ...