The t-shirt deal of the day over at RIPT Apparel is the Battlestar Galactica-inspired “Dradis Inc.”

The tee, by artist Lusky, went on sale at RIPT today, Tuesday, December 28, 2010, at midnight CST, and will continue for 24 hours from then, and once it’s over, it will not be sold on the site anymore.

The t-shirt is available in men’s and women’s sizes in black for $10 each. Kids sizes are $15 (Boys, Girls, and Toddler, all black); Onesies are $18 (in black). You can also get the design on a Hoodie for $38 (in black in Men/Unisex sizes).

The design features the Dradis radar system from Battlestar Galactica and several other famous ships from popular science fiction culture. Look closely and you’ll see The Enterprise, Millennium Falcon, Star Destroyer, and the TARDIS.

Every day this month, the BBC has posted new items on their Doctor Who site in their Adventure Calendar. Each day, new Doctor Who-related images, games, videos, ebooks, wallpapers, and more are added to the Calendar — all very cool stuff.

The item of the day today is free downloadable Happy New Year cards — three to choose from (you can download them all) — that you can print out and give to others.

Of the three, my favorite is the TARDIS in what appears like a Starry Night-type setting that apparently is supposed to look like “the image of a crack in time and space that could destroy the universe.”

Check out Episode 36 of Comics of Doom, the official comics podcast of Geeks of Doom, for our December Doom Of The Month spotlight on Grant Morrison‘s Seven Soldiers Of Victory!

This episode is sponsored by Instocktrades.com and DCBService.com so be sure visit them for great prices on comics and graphic novels.

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File this under Awesome.

Check out this homemade TARDIS tree topper make of balsa wood, complete with electronics inside (Arduino driven RGB LEDs).

View the video below to see the finished tree topper with illumination.

More photos of this Doctor Who-inspired creation from start to finish here.

Disney has created some brand new pins for the recent release of TRON: Legacy.

Check out the image at right for a look at some of these new pins, which includes one for the Tronorail.

There’s 20 different pins in this set, some of which will have a limited release and will glow in the dark.

The Disney Parks Blog spoke with Julie Young, the developer for open and limited edition pins, about some of the new offerings.