Join our expert "TechKnow" contributors Phil Torres, Shini Somara and Kosta Grammatis as they explore new technology and its impact on our lives. Shini goes to Oklahoma to visit infamous "Tornado Alley" to see new innovations being developed to better track tornadoes and lessen the damage they cause, and to meet one mom determined to turn her family's tragedy into safer schools across the state. Kosta discovers a secret garden inside Chicago's O'Hare Airport and explores other ways vertical farming impacts restaurants and even schools.