Activity Corner

• Three-dimensional mechanical fractals. Yeah, it sounded weird to me too, but they're really cool.


• Black hole destroying a star. I rate it only two pterodactyls since we don't get to see the star actually destroyed.


• Six ways to boost brainpower. Video games, yes!


• Yes, 3M has created nuclear-grade duct tape. Among other things, it can hold underwater, withstand weathering, and comes off without leaving its adhesive behind. Available for purchase from Amazon.com (DO NOT miss the customer reviews).


• From brick to slick: A history of mobile phones. Biggest shock: It's been twenty years since Saved By The Bell?!


• How to build your very own fly-powered model airplane.


• The Butter Butler.


• Robotics scientists are working on a way to physically walk in virtual environments without actually going anywhere. Sound crazy? Check out this awesome video.


• This is why geeks are awesome: gaping hole costume.


• Star Wars AT-AT walker boom box.


• Bizarre USB-powered lamps.


• The portable toaster.


• Spy camera MP3 player.


• If you often fall asleep with your head against your fist, then you need the Pilo Pilo mini cushion ring.


• The 15 strangest college courses In America.


• The hamster-controlled Roomba.


• Maybe you've seen the picture of the fish with the transparent head, but here's the video. More information about the barreleye fish here. (The eyes are the big green spheres in the middle of its head. The two things in front are basically nostrils.)


• If a nuclear bomb goes off, or an asteroid hits, what does it do to the surrounding area? Get an idea with a new Google Maps/webtool mashup called Ground Zero. Best site for demonstrating it: BldgBlog. Developers: Carlos Labs.


• In Russia, there's an exact replica of Moscow. It's a 1:500 scale model, but amazingly detailed (and kept current with the real city). Check out the amazing pictures.


• Clever escalator marketing.


• Back To The Future alternate ending.


• Collection of Superman chest emblems at S is for Superman.


• If you're a fan of Firefly, you've seen Serenity and remember River Tam's awesome bar fight scene. Well here's a camera shot/choreography video of the fight rehearsal.


• TV.com videos now accessible through a free iPhone app. I tried it out, and it offers the exact same crap as their website, meaning no episodes of The Big Bang Theory or How I Met Your Mother, only clips. Lame. But you can watch older shows.