Depends on the distance between the the objects. Electromagnetic contraction or repulsion act over relatively short distances. I really doubt that antimatter is gravitationally repulsive but the universe is stranger than we imagine or can imagine (Einstein).
Slackware has Debian beat on age.
Yes - by about 6 months. Debian has many more packages available using synapatic, software center (in Debian a6.0) or mainly apt-get. Why does the package manager in Slackware called slapt-get? Slackware requires even more work than Debian and will never be adopted by anyone as a primary OS except by masochists.
It matters in the sense that it's a way for Debian to release a new installer or move to a new standard for device management, but as a whole it doesn't *really* matter. If you are using "stable" in your sources.list verses the actually release name you'll in all likelihood just upgrade right along to the new release, and probably without much fuss.
I'm excited either way because I 3 Debian!
The "new" Debian GUI installer seem like its for the masses. I have a RAID 1 setup with two primary partitions as the physical RAID devices and a
"The value of marriage is not that adults produce children, but that children produce adults." -- Peter De Vries