Science, Math & Technology

LunchBox Sessions offers short lessons for hydraulic and electrical troubleshooting, with a browsable library.

Corca supports collaborative work with mathematical notation and content in a shared editor.

PocketMacros offers macroinvertebrate identification resources, navigational views, and related reference materials.

Bouncy Balls visualizes classroom sound levels as bouncing balls and functions as a noise monitoring tool.

Explore a 3D periodic table in table and atomic views, with element selection opening a Bohr model visualization.

A physics simulation compares two driven pendulums that begin almost identically to demonstrate chaotic sensitivity to initial conditions.

My Balsa & Glass Workshop documents scratch-built balsa radio-controlled models and workshop projects.

Sectional Anatomy presents CT and MRI sectional anatomy resources for body regions including chest, abdomen, head, and wrist.

The Marine Biodiversity Portal of Bangladesh provides information about marine species and ecosystems in the country.

The Photographic Periodic Table presents element information alongside photographs and reference material.

The Radiology Assistant provides educational resources and explanations for radiology.

This article shares practical tips for fine tuning large language models with low rank adaptation, drawn from experiments.

LibrePCB supports drawing schematics and designing printed circuit boards through an EDA application, with release updates on its site.

The SmartCockpit site provides an online aviation library with quizzes, news, and reference material.

Battery University offers educational information about battery mechanics and basic battery concepts.

Read KDE Human Interface Guidelines, with sections on design, formatting, and documentation practices.

Find programming commands and syntax quickly with SpeedSheet, a set of interactive cheat sheets.

The online Pteros museum catalogs known pterosaur genera, from Aerotitan to Zhenyuanopterus.

Compare JDK releases and requirements for building and running Java applications using this reference.

This Unsloth guide introduces the basics and best practices of fine-tuning language models.

BioNinja provides biology course outlines, command terms, and resources for practical and reporting skills.

The ALIEN repository describes a CUDA-powered program for simulating artificial life.

LibreTexts Statistics provides curated statistics texts for direct use or for building customized remixes.

The Brazilian Math Curriculum offers a self-directed mathematics education using online materials in Brazilian Portuguese.