A wheelchair, which the user can move in upright and not just seated was created by two brothers from Larissa, Dimitris and Marios - Hermes Petrotos. The four-wheel drive wheelchair, which received the name laddroller can go up as many as 3 steps, is patented internationally.

http://www.ert.gr/amaxidio-4ch4-elliniki-ypografi-dini-epilogi-gia-kinisi-se-orthia-thesi-video/

Greek Diaspora Fellowship Program Greek university students build the first racing Moto GP-3 in Kozani