Wait, no calendar is showing up! go to: http://www.google.com/calendar/embed?src=lphndesgk0ap07c81nkk7dk2ks%40group.calendar.google.com&pvttk=fcaa93b441b0d3da2487d40106636a5e

How The Hell Do I Edit This Thing?

Log in to google mail with your gmail account or the Icarus account: gmail.com project(dot)icarus(at)gmail.com
 (use the secret password)
go to Calendar in upper left
Click on a date.
Add Event Title to the "What" box
Click Edit Calendar Details
Edit boxes (repeat, description, etc)
Click save

if you want to access the calendar via an account other than project.icarus@gmail.com
just let anyone who has access to the calendar know and they can add an email address to share and edit

if you need the password for project.icarus@gmail.com, ask someone who knows it.

I'm an Uber-Geekarista and want to subscribe with iCal. What's the url?

just choose 'subscribe' from the iCal 'Calendar' menu item and enter this url:

http://www.google.com/calendar/ical/lphndesgk0ap07c81nkk7dk2ks%40group.calendar.google.com/public/basic.ics