For centuries, the Pythagorean Theorem has occupied a unique position in mathematics: both elementary and profound. Its ...

Here's the recap on the new products announced by Lenovo in CES 2026, as well as some of the concepts the company has showcased in this event.

Baudhyana (represntative image (L), In Raphael's fresco The School of Athens, Pythagoras is shown writing in a book as a young man presents him with a tablet showing a diagrammatic representation of ...

Light is usually described using quantum mechanics when phenomena like entanglement enter the picture. But a new paper shows ...

STEP 1 - RIGHT TRIANGLE x 4: Take one piece of card and fold it in half, then fold it in half again... Image caption, ... use the ruler and pencil to draw a straight line across the bottom corner of ...

Abstract: This study proposes a spatial multiplexing wireless communication method based on coding metasurfaces, achieving efficient electromagnetic wave manipulation through optimized coding matrices ...

Abstract: One of the main tasks in Electronic Support (ES) is the determination of the carrier frequency and the direction of arrival (DOA) of threat signals. In modern days, these two tasks are ...

ix, 371 p. : 29 cm ix, 371 p. : 29 cm Includes bibliographical references (p. 365) and index The treasure island problem -- The nine-point circle -- Morley's theorem -- The hiker's path -- The ...