Wikipedia
The improbable success story of the internet. Start anywhere; you will be somewhere else in an hour.
- Science & Space
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- wikipedia.org
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- Science & Space
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- wikipedia.org
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Websites like Wikipedia
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Fragrantica
An encyclopedia of perfume, with notes, accords and longevity for tens of thousands of fragrances, voted on by people who wear them.
- Read & Archive
- Free
- fragrantica.com
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iFixit
Step-by-step photo guides for opening and repairing almost anything, from phones to washing machines, written by a community of fixers.
- Everyday Tools
- Free
- ifixit.com
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Dinosaur Pictures
Hundreds of dinosaurs, each with a gallery of reconstructions, size comparisons and where and when it lived.
- Science & Space
- Free
- dinosaurpictures.org
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Zperiod
An interactive periodic table with 3D atom models, electron shells and properties for all 118 elements.
- Science & Space
- Free
- zperiod.app
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Servier Medical Art
Thousands of clean medical and biology illustrations, from cells to organs to lab gear, free to use in slides and papers under CC BY.
- Science & Space
- Free
- smart.servier.com
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Ptable
The interactive periodic table everyone ends up linking to. Drag the temperature slider to watch the elements melt and boil, or switch to orbitals, isotopes and compounds.
- Science & Space
- Free
- ptable.com
