File:Bur Macro BlackBg.jpg
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Size of this preview: 744 × 600 pixels. Other resolutions: 298 × 240 pixels | 596 × 480 pixels | 953 × 768 pixels | 1,271 × 1,024 pixels | 2,184 × 1,760 pixels.
Original file (2,184 × 1,760 pixels, file size: 425 KB, MIME type: image/jpeg)
Summary
| Description |
English: A burr. This fruit attaches to animal fur via the hooks on its surface to improve distribution. Velcro is an example of a biomimetic invention which has copied burrs and uses small flexible hooks to reversibly attach to fluffy surfaces.
Français : Le velcro est inspiré de plantes disposant de propagules munis de crochets menus et souples comme ici la « benoite commune » (Geum urbanum). Mais d'autres plantes produisent des crochets plus grands et plus durs (ex: bardane). Ces crochets leurs permettent de faire transporter leurs graines par des animaux (ou nos vêtements) |
| Date | |
| Source | Own work |
| Author | Zephyris |
| Permission (Reusing this file) |
See below. For information about commercial use please contact me via my website. |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:31, 23 April 2011 | | 2,184 × 1,760 (425 KB) | commons>Materialscientist | crop whitespace |
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