CJ 421 Lecture 10: CJ 421 Notes 02-10-2017
29 Mar 2017
School
Department
Course
Professor
Document Summary
Getting to the root of the problem: hair and fur. Last time we had focused on trace from paint and glass. Bulletproof glass isn"t bulletproof at all, it"s just bullet resistant (bullets can go through if it has the right momentum) Not glass, just a highly durable polymer. Polymers have long chains that aren"t disturbed (they"re unbroken)- therefore, it can distribute the force through the window and it won"t break. The first pane will break and produce radial fractures, but the second pane doesn"t crack because the bullet hits that plastic sandwiched in the middle that spreads out the force. Different viscosities = different glass and how they look (i. e. look at old historic buildings and what that glass looks like) Water refracts things then light hits it (i. e. the bent-looking shape of a pen in water) - water is convex going in and concave going out. Water = makes the rock look larger.
