做光学设计的同行都懂，好镜头是“调”出来的，也是“等”出来的。Zemax里反复改曲率和厚度，Lumerical里扫描周期单元的相位响应，一个参数组合跑下来，工作站转一整天是常态。更别提无透镜成像的重建调参、叠层成像的扫描校正，每一步都靠手动调试和 ...

The open-source C++ 3D game engine 'Wicked Engine' has released an action-adventure sample project, complete with in-game assets and Lua source code. After reading this article, I felt it was a very ...

Colorado-based firm Beehive Industries has unveiled a 3D-printed turbofan engine for uncrewed combat aircraft. The Rampart engine, a flexible propulsion option for tactical uncrewed systems operating ...

Scientific progress doesn't continue apace without some weird people testing out some weird ideas. In a test from the Project Farm, the hypothesis of whether a 3D-printed cylinder head would work was ...

LEAP71 continues to break records, this time with the world’s largest 3D-printed aerospike rocket engine. There’s quite a story behind this feat. Aerospike engines are very different from conventional ...

LEAP 71 and Hanbang United 3D Tech, also known as HBD, have produced a 3D printed aerospike rocket engine rated at 200 kilonewtons, or about 20 metric tons, of thrust. The companies describe the ...

What is a flat four? What is a boxer engine? This video will explain the benefits of a flat engine, specifically a flat four engine with horizontally opposed pistons. The main advantages of a boxer ...

If you’ve used ChatGPT, Perplexity, or any modern AI-powered search engine recently, you've experienced vector search even if you didn’t realize it. Unlike traditional keyword-based search, vector ...

A custom-built 3D rendering and physics engine written in pure Python. This project demonstrates a from-scratch implementation of the graphics pipeline (rasterization, matrix transformations) and ...

SINGAPORE—China conducted the first flight of a domestically developed 3D-printed turbojet engine in November 2025, marking a milestone toward mass-producing lower-cost jet engines for applications ...