[SCI] Electron's birthday/Penrose sues toilet paper maker

[Dam Son <son@fermi.phys.washington.edu>]

On Fri, 2 May 1997, Nguyen Tien Zung wrote:

> Hi ca'c ba'c
> 
> Ca'ch dda^y 100 na(m, nga`y 30/4/1897 ddu+o+.c coi la`
> nga`y pha't minh ra electron. Nga`y ddo' o^ng J.J. Thomson

Hi,

Ba'c muo^'n bie^'t the^m ve^` pha't minh na`y, co' the^? to+'i xem 
webpage sau: http://www.aip.org/history/electron/

Ngoa`i ra co' tin na`y cu~ng ra^'t funny, dda(ng le^n cho ba'c na`o quan 
ta^m dde^'n va^.t ly', toa'n ddo.c cho+i:

INTELLECTUAL PROPERTY: PENROSE OBJECTS TO BEING A ROLL MODEL.
In 1974, physicist Roger Penrose invented his arrowed rhombic
tiles that fill up space aperiodically.  Now, according to The
Economist, Sir Roger is suing Kimberly Clark, maker of Kleenex
toilet paper, for embossing its rolls with Penrose tiles.

(source: APS What's News, 25 April 97)

So+n.