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 ...

You’ve probably seen Lichtenberg figures before, those lightning-like traces left by high-voltage discharge. The safe way to create them is using an electron beam to embed charge inside an acrylic ...

Wrapping awkwardly shaped Christmas presents is always a headache, but here's the formula for perfect gift wrap. You've carefully chosen the presents. You have scissors, tape and even some rolls of ...

Rocket Lab has set a new personal best for annual launch cadence, using its latest Electron flight to loft a quartet of experimental DiskSat spacecraft for the U.S. military and NASA. The mission, ...

Abstract: We investigate the effects of the signal walk-in timing measurements and the methods to compensate for the error when leading-edge discriminator (LED ...

One of the shape primitives you'll use most often in your OpenSCAD designs is the cube. Rounding the edges of cube-like objects impacts both the visual appeal and functional aspects of the final ...

Daniel Libeskind, the high-spirited American architect who in early February was selected as a finalist in the much publicized competition to design the site of the WorldTradeCenter, was barely known ...

JEE Advanced 2026 Syllabus: The Indian Institute of Technology (IIT) Roorkee, the conducting authority for JEE Advanced 2026, has published the detailed, topic-wise syllabus on its official website at ...

Since fiber-reinforced polymer (FRP) composites are superior to traditional steel reinforcements, they are widely used in advanced concrete technology. By using a combination of fibres and FRP ...

While we’re 100 years past Edison’s fear, uncertainty, and doubt campaign, the fact of the matter is that DC is a bit easier to wrap one’s head around. It’s just so honest in its directness. AC, ...