Sharing on a network

[iRock2054]

I dont know if this is the right section for this but i have over 150gbs of movies/music located on my external harddrive connected to my desktop. i recently bought a new laptop and i want to know if its possible to have the drive accesible by my laptop while connected to my wifi network

[anon]

i want to know if its possible to have the drive accesible by my laptop while connected to my wifi network

I guess you could create a wireless LAN and share your drive's root:
http://www.wikihow.com/Create-a-Wireless-Network