A new efficient root-propagator method based on a uniform linear antenna array is proposed to estimate the directions of arrival (DOAs) and ranges of near-field sources without a priori knowledge of ...

A perplexing optical illusion challenges viewers to find the numbers 64 and 49 hidden within a grid of repeating 46s. This brain teaser exploits pattern recognition bias, making it difficult to spot ...

Repetition is important for learning, helping us to gain new information and skills. Unfortunately, advertisers, politicians, ...