Image:Quaternion Plague on Broom Bridge.jpg

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A plaque on Broom Bridge in Dublin, commemorating Hamilton's invention of Quaternions

The plaque says:

Here as he walked by
on the 16th of October 1843
Sir William Rowan Hamilton
in a flash of genius discovered
the fundamental formula for
quaternion multiplication
i2 = j2 = k2 = i j k = −1
& cut it on a stone of this bridge


My father took the picture and agrees to transfer the copyright to me.


GNU head 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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current19:38, 1 January 2005250×179 (26 KB)Silverfish (A plaque on Broom Bridge in Dublin, commemorating Hamilton's invention of Quaternions {{GFDL}})
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Camera manufacturer FUJI PHOTO FILM CO., LTD.
Camera model SP-1500
Date and time of data generation  :  :  :  :
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used FDi V4.5 / FRONTIER350/370-5.8-0E-650
File change date and time 10:37, 28 August 2003
Y and C positioning 1
Exif version 2.1
Date and time of digitizing 10:37, 28 August 2003
Color space sRGB