Neste artigo, apresenta-se a evolução das ideias sobre a quarta dimensão espacial, partindo daquelas que surgem da geometria euclidiana clássica e abordando, em seguida, as que resultam do âmbito das ...

In the mid-19th century, Bernhard Riemann conceived of a new way to think about mathematical spaces, providing the foundation ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Abstract: Objective: This paper targets a major challenge in developing practical electroencephalogram (EEG)-based brain-computer interfaces (BCIs): how to cope with individual differences so that ...

Abstract: This paper introduces a square-root velocity (SRV) representation for analyzing shapes of curves in euclidean spaces under an elastic metric. In this SRV representation, the elastic metric ...

This course deals with advanced theory regarding stress, strain, and deformation or flow in solids, liquids, and gases. The course focuses to materials that can be considered as continuous, with no ...

It’s no secret that many of us are not too fond of mathematics and geometry, and that it is often too complex. But even so, it can be pretty mind-blowing to look back in history and discover the ...

Thank you so much for helping us close out our 2025 fundraiser. With your support, we'll accomplish even more in 2026. Have a wonderful New Year, and enjoy the archive! By submitting, you agree to ...

It is commonly believed that geometry began as a practical subject, and came into being as a result of everyday concerns. The earliest practitioners of geometry developed a set of rules to calculate ...

Introducing yourself in an interview is the first step, and it seems to be easy, but knowing the right way to answer the ‘Tell me about yourself' question can help you start the interview on a strong ...