Science

In this part of the Sci-Fun web portal, you can find various science-related pages, along with other useful knowledge articles that provide formulas, hints, quick-learning facts, and similar content. These pages are not limited to natural sciences and therefore cover topics such as mathematics, language learning, and more. Many pages in this category of the website might be helpful to students studying at colleges and universities.

Tennis Ball in Space

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Published: March 31, 2026

Orbital mechanics of a tennis ball in certain inertial frames relative to celestial bodies and their escape velocities.

Direct Speech Grammar

Published: March 12, 2026

Grammar rules for quoting direct speech (citations or characters' dialogue) in several popular languages.

Tryptophan

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Published: March 05, 2026

Tryptophan amino acid drawing in SVG and LaTeX.

Amino Acids

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Published: March 05, 2026

General formula of amino acids: charged at pH ~7 and non-charged, with LaTeX code.

Trigonometric Identities and Derivatives

Published: January 15, 2026

Trigonometric formulas.

Integrals

Published: January 08, 2026

Some simple integrals and integration rules; the fundamental theorem of calculus.