Why you can't tie knots in four dimensions

We all know we live in three-dimensional space. But what does it mean when people talk about four dimensions? Is it just a ...
Health.com

18 Foods With More Protein Than an Egg

Lindsey DeSoto, RD, is a nutrition writer, medical reviewer, and registered dietitian who helps clients improve their diet for health-related reasons. Her writing covers a variety of topics, including ...
Boxing Scene

Sebastian Juarez is hoping to show a different dimension after classic one-round fight

Sebastian Juarez is hoping to show a different dimension after his wild first round against Demarcus Layton, though he doesn’t want to give an encore. Juarez faces Ernesto Sanchez Rodriguez in an ...
C&EN

Symmetry-Reduction Enhanced Polarization-Sensitive Photoresponse Based on One-Dimensional van der Waals Materials

Institute of Physical Science and Information Technology and Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei 230601, China ...
IEEE

A Novel Construction of Two-Dimensional Z-Complementary Array Code Sets Based on Extended Boolean Functions

Abstract: Two-dimensional (2-D) array sets with good 2-D correlation properties have received considerable attention in wireless communication systems. This paper focuses on 2-D Z-complementary array ...
IEEE

Design of a Flexible Push-Button Two-Dimensional Ultrasound Array Probe

Abstract: In order to solve the real-time positioning problem of flexible wearable ultrasonic transducer array unit under dynamic conditions, a new transducer array based on button flexible structure ...