The Traffic Barrier-Transfer Machine Caltrans is studying the durability and performance of its Barrier-Transfer Machines, also known as “zippers.” Facebook Prev Article Next Article Engineering Checkout these cool gadgets... Related Posts First Super Bowl Played Under LEDs Will Use 75 Percent Less Power The 3D Printed Jet Engine The Sabre Engine – Set To Transform Aviation – 30 000 km/h FIU Miami bridge disaster explained Magnetic Satellite ‘Tractor Beams’ Won’t Be What You Think The Haptic Tech That Could Let You Touch The Person You’re Skyping With