Could someone hack your pacemaker? At TEDx Mid Atlantic, Avi Rubin explains how hackers are compromising cars, smartphones and medical devices, and warns us about the dangers of an increasingly hack-able world. Avi Rubin is a professor of computer science and director of Health and Medical Security Lab at Johns Hopkins University. His current research is focused on the security of electronic medical records. Watch this 17 min video
Robots that fly ... and cooperate
In his lab at the University of Pennsylvania, Vijay Kumar and his team build flying quadrotors, small, agile robots that swarm, sense each other, and form ad hoc teams -- for construction, surveying disasters and far more. Vijay Kumar studies the control and coordination of multi-robot formations. Watch this 17 min video
A primer on 3D printing
2012 may be the year of 3D printing, when this three-decade-old technology finally becomes accessible and even commonplace. Lisa Harouni gives a useful introduction to this fascinating way of making things -- including intricate objects once impossible to create. Lisa Harouni is the co-founder of Digital Forming, working in "additive manufacturing" -- or 3D printing. Watch this 15 min video
PowerPoint presentations How Not To Make
Watch this interesting 9 min 29 sec video presentation presented in a humorous way
