# Light and Matter

- **Website:** <https://lightandmatter.com>
- **Primary alias:** `lightandmatter.com`

## Description

Light and Matter is a brand known for its open-source physics textbooks and software offerings. Catering to students majoring in life sciences, their books cover a range of topics including mechanics, fields, modern physics, conceptual physics, calculus, relativity, and more. They provide a valuable resource for those delving into the complexities of physics.

In addition to their educational materials, Light and Matter also offers open-source software such as Spotter, a tool for checking math and science answers, OpenGrade for teachers to manage grades efficiently, and When, a simple calendar program designed for Unix enthusiasts seeking minimalism.

Founded by Benjamin Crowell, Light and Matter prioritizes accessibility by offering their resources under a CC-BY-SA license. With a commitment to quality and innovation, they strive to enhance the learning experience for students and educators alike.

## Industries

- 🧪 Science and Education
- 🧪 Physics _(under Science and Education)_

## Logos & icons

- logo _(primary)_ — PNG — [download](https://cdn.brandfetch.io/idCXx8bWsd/w/50/h/60/theme/dark/logo.png?c=1bxid64Mup7aczewSAYMX&t=1767871751648)

## Colors

| Name | Hex | Theme |
| --- | --- | --- |
| Cinnabar | #e24f40 | accent |
| Black Russian | #000117 | dark |
| Spindle | #a9c1e9 | light |

## Fonts

- sans-serif — asset _(custom)_

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_Source: <https://brandfetch.com/lightandmatter.com>_
_See [/llms.txt](/llms.txt) for a full list of agent-readable pages, and [/auth.md](/auth.md) for how agents authenticate._