RapRep -- Self replicating machine

Posted by coldtobi | 22 Feb, 2009, 13:17

A friend pointed me to an interesting (hardware) project: RepRap.

To quote the website:

A universal constructor is a machine that can replicate itself and - in addition - make other industrial products. Such a machine would have a number of interesting characteristics, such as being subject to Darwinian evolution, increasing in number exponentially, and being extremely low-cost.

A rapid prototyper is a machine that can manufacture objects directly (usually, though not necessarily, in plastic) under the control of a computer.

The RepRap project is working towards creating a universal constructor by using rapid prototyping, and then giving the results away free under the GNU General Public Licence to allow other investigators to work on the same idea. We are trying to prove the hypothesis: Rapid prototyping and direct writing technologies are sufficiently versatile to allow them to be used to make a von Neumann Universal Constructor.

All good projects have a slogan, and the best have a slogan that reeks of hubris. RepRap is no exception. Our slogan is:

"Wealth without money..."


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Manually upgrading horde3 on debian

Posted by coldtobi | 19 Feb, 2009, 00:15 Debian is currently in freeze. (As finishing this, debian just released Lenny!) As a consequence many packages are quite outdated.

For example, the horde framework I use on my NAS is quite old and misses some features I'd like to have.

However, there are some pitfalls when using the debian version and trying to update with the upstream version, as the "debian way" stores some files at different locations, which is ok.

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