L-Trac Trackball
http://xahlee.info/kbd/L-Trac_trackball.html
This trackball has mechanical rollers as ball contact. So, last forever. Other trackballs, ball contact is ceramic material. Rubs out after a year and thus more friction.
L-Trac Trackball
http://xahlee.info/kbd/L-Trac_trackball.html
This trackball has mechanical rollers as ball contact. So, last forever. Other trackballs, ball contact is ceramic material. Rubs out after a year and thus more friction.
Jonkman Microblog is a social network, courtesy of SOBAC Microcomputer Services. It runs on GNU social, version 1.2.0-beta5, available under the GNU Affero General Public License.
All Jonkman Microblog content and data are available under the Creative Commons Attribution 3.0 license.