You'll no longer be sitting beside that sexy marine biologist dressed up as a sea anemone wishing that you could have a research themed costume too.


Finally, there is a combinatorics themed halloween costume!  Sport this beautiful Arduino and LED based rendition of Cool-lex combinations (research by Aaron Williams and Frank Ruskey), and show off your nerd times 2.

Here is the technical stuff on the combinations:

I used adafruit's LDP6803 LEDs.  There are tutorials on how to use them on that page.

Cool-lex LED lights connected to Arduino