A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

21:28, Sun, Dec 21, 2025 Updated: 21:30, Sun, Dec 21, 2025 When most people picture a pyramid, their minds immediately drift to the golden sands of the Giza Plateau and the dominating structure of the ...

Restoration on the 4,400-year-old Pyramid of Sahura led researchers to create a more comprehensive blueprint of the structure. Using LiDAR imaging, the team confirmed the presence of previously ...

Mascara is a make-up bag staple. Adding fullness and volume to your lashes, there are formulas for curling, lengthening and colouring – but not all are created equal. There’s far more variety than ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This white ceramic rule is stored in ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

2025 was a big year for fashion. At the shows, all eyes were on the designer debuts, while traditional red-carpet rules were consistently challenged – not least by Jonathan Bailey, who lit up the ...

Abstract: This paper presents new analytic formulas for determining the mutual inductance and the axial magnetic force between two coaxial coils in air, namely a thick circular coil with rectangular ...

Glastonbury Festival will be back at Worthy Farm from June 25 to 29, 2025. The line up includes Pyramid Stage headliners 1975, Neil Young and Olivia Rodrigo , with other acts confirmed to play across ...

Granular soft magnetic materials, such as ferrites or soft magnetic composites, are widely spread in modern electrical engineering applications. An important loss contribution is the classical one. It ...