Many international universities are fostering students' natural curiosity and ingenuity to create new products to help their fellow citizens. Such is the case at HCM City University of Transport where, as the name implies, Vietnamese students focus on developing new, efficient forms of transportation. Recently, they revealed prototypes of the students' solar-run scooter and a new battery-operated wheelchair that can be produced at a much lower cost that those produced in western countries.
You gotta love the Russian company SKN for converting old Russian ammunitions into diamonds, and didn't you always want to know how many steps you'd have to take to create the inevitable splash of coffee on your carpet? But the SpeechJammer in 2012? A machine that delays speech and makes one stutter is decades old, and it actually has the practical application of helping stutterers speak without stuttering.