A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique – the etchings, lines like tally marks, may have represented ...

A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique – the etchings, lines like tally marks, may have represented ...

The roundest country (left, Sierra Leone) and the squarest country (right, Egypt), with flags overlaid. Some countries are long and thin, others compact and nearly symmetrical. Some follow natural ...

Space-fed array comprising of E-shape or U-slot cut rectangular microstrip antennas using the modified feed designs are proposed for higher gain and wider bandwidth. Modified feed optimally ...

Several fields of mathematics have developed in total isolation, using their own 'undecipherable' coded languages. Mathematicians now present 'big algebras,' a two-way mathematical 'dictionary' ...

A 3D-printed decuplet crystal, skeleton, and nerves of a big algebra designed by Daniel Bedats. Printed with the Stratasys J750 3D printer at ISTA’s Miba Machine Shop. Symmetry is not just a question ...

My lab is using multielectrode arrays to record from the retina. These arrays (Litke arrays from UC Santa Cruz) are either rectangular (1x2 mm; 60 um pitch) or hexagonal (30um or 120 um pitch). The ...

Python is convenient and flexible, yet notably slower than other languages for raw computational speed. The Python ecosystem has compensated with tools that make crunching numbers at scale in Python ...

If you’ve spent more than five minutes on TikTok this month, you’ll find that you can throw the word “girl” in front of just about anything, and go viral. Lately, it’s been “girl math,” which is ...

College of Physics & Electronic Engineering, Xianyang Normal University, Xianyang, China. Chirality, including spiral, propeller, and polymolecular chirality, is a ...