COSine 2027 is January 22-24, 2027, at the Great Wolf Lodge in Colorado Springs. Okay, so it has been a long time since you’ve heard from us. All I can say is that alien abduction is much more time-consuming than you’d think–there’s all the time in the alien ship, then the mandatory time you have … Read more
Originally sent January 16, 2026. COSine 2026 is coming up January 23-25, 2026 at the Embassy Suites by Hilton Colorado Springs. Just wanted to send out one last reminder about COSine, which is just one week away! The team just took up the airship to do some advanced weather checks, which is a bit odd, … Read more
Originally sent December 29, 2025. COSine 2026 will be January 23-25, 2026 at the Embassy Suites by Hilton Colorado Springs. A Happy Merry to you all! COSine is now only a few weeks away! The schedule is done (you can see it here, and also the list of participants), and we have fired up the … Read more
Originally sent 12/7/2025 COSine 2026 will be January 23-25, 2026 at the Embassy Suites by Hilton Colorado Springs. Only a bit more than a month and a half to go before COSine! Amazingly, things are starting to come together. You can see the (preliminary) schedule here, and also the list of our talented and charming … Read more
Originally sent 11/4/2025 COSine 2026 will be January 23-25, 2026 at the Embassy Suites by Hilton Colorado Springs. I hope you all enjoyed an extra hour of sleep on Sunday? The clocks going back also gave you an extra hour to register for COSine before the prices go up after Friday! You can register here. … Read more
Originally sent 6/14/2025 COSine 2026 will be January 23-25, 2026 at the Embassy Suites by Hilton Colorado Springs. It feels like COSine 2025 was both just yesterday and about twenty years ago. My calendar, however, says that it’s only been four and a half months! I’m increasingly coming to believe that my calendar is part … Read more
COSine 2025 will be January 24-26, 2025 at the Embassy Suites by Hilton Colorado Springs. It’s now only two days until Halloween, when small children will come to your door and demand tribute to avoid their terrible retribution. We don’t quite have the staff to send someone to everyone’s door, but you will face a … Read more
COSine 2024 will be January 19-21, 2024 at the Embassy Suites by Hilton Colorado Springs. I hope you all had a happy Merry! Hard to believe, but COSine 2024 is barely 3 weeks away! This brings with it a few deadlines: Technically, the deadline to register for the reduced pre-show rates expires at midnight on … Read more
COSine 2024 will be January 19-21, 2024 at the Embassy Suites by Hilton Colorado Springs. I have to start with an apology. Normally we send out a reminder before October 31st to let you know that prices go up after that date, but many of us were at in Denver at MileHiCon last weekend (Hi, … Read more
The link for the hotel wasn’t working, but we just got a new one: https://www.hilton.com/en/attend-my-event/cosinejanuary2024embassy/ However, it is a little bit confusing. You might want to check the instructions on our hotels page.