IEEE

Fast Attitude Maneuvers for NASA’s Lunar Reconnaissance Orbiter: Practical Flight Application of Attitude Guidance using Birkhoff Pseudospectral Theory and Hamiltonian ...

Abstract: Lunar Reconnaissance Orbiter (LRO) was launched in 2009 to study and map the Moon and is now completing its fifth extended science mission. The LRO (see Figure 1) hosts a payload of seven ...
IEEE

Development of Gamification-Based Web Programming Educational Website with Peer Review to Increase Student Learning Motivation

Abstract: Web programming is a crucial subject for class XI RPL students at SMKN 12 Malang, but many struggle due to a lack of engaging teaching materials, leading to low motivation. To address this, ...
Popular Science

The practical gift guide: 35 boring-but-useful presents anyone would love

A big part of maturing is realizing that sometimes a good pair of socks, a fancy charging cable, or a pair of pliers can be a really great gift. By Stan Horaczek Published Dec 18, 2025 9:15 AM EST We ...
GitHub

PrivatePDF is a free web tool that lets you make quick PDF edits from within your web browser, without uploading anything anywhere.

I created this tool to make it quick and easy to sign PDF contracts, without having to deal with installing programs and without worrying that my PDFs will get uploaded to a third party. It supports ...