Hammock’n, the Japanese phone holder developed to reduce hand strain, begins global expansion

SPRASANN.LLC launches a global website for its patented Hammock’n phone holder as part of its overseas rollout.
Science Daily

These mesmerizing patterns are secretly solving hard problems

Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...

You Can Play Chess in Hyperbolic Space Now, and It Sucks

Euclidean geometry is the kind you were taught at school, the world of sines and cosines, and the square on the hypotenuse ...
The Hechinger Report

Talk nerdy to me: Teachers who use math vocabulary help students do better in math

Using words like ‘factors,’ ‘denominators’ and ‘multiples’ may be part of a constellation of good math teaching practices ...
Inside Higher EdOpinion

Is the SAT a Good Fit for Public Universities? It Depends

Standardized test requirements should be aligned with mission—a fact that demands a variety of approaches across different ...
Investopedia

Understanding Variation Margin: Definition, Calculation, and Examples

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...
Frontiers

Application of Game-based Learning of Mathematics in Primary School Grade One——Taking a Primary School in Beijing as an Example

The final, formatted version of the article will be published soon. In primary school mathematics teaching, game-based learning can assist teachers in enhancing classroom efficiency, diversifying ...
IEEE

Electric vehicle charger load current harmonics variations due to supply voltage level differences — Case examples

Abstract: Modern switching power converters responsible for AC to DC conversion use advanced control methods that guarantee close to unity power factor and sine-like current waveforms. The level of ...