CHALLENGES
		
Type: 	quiz
Chal: 	Look at me! I'm 3D!
Worth: 	20 points

What special filter layer distinguishes standard passive 3D glasses (where you are not supposed to tilt your head) from the ones where tilting one's head doesn't have any effect? (3 words, no dashes)


The Hex Factor challenge. Ask a CTF crew member before submitting to ensure you are using the correct formatting!