Marshall had special slides with him which he used as ice breakers with the classes. Holding one in each hand, he explained how physicists normally talk of invisibility in terms of light being bent around an object, but that he could demonstrate how it could be done by folding light in from around the edges. The students were delighted to see their hands appear to vanish as they looked at them through the slides while Marshall explained that those were just basically "toys" and that the real technology he had developed beyond that level and could make attack helicopters invisible, small water craft and even tanks. From that point on, Marshall had everyone's attention.
Marshall gave basic lectures on time and the state of time research, citing that physicist Julian Barbour got a grant for $94,000 to study time and he doesn't even believe in it. To counter, Marshall asked the classes if they believed time was real. Those who said 'no' he then explained to them how without time they wouldn't be alive because it takes time for the heart to beat. He explained that space is where things are and time is the dimension where events take placed and that time is connected to any dimension of space. He demonstrated by picking up a plastic apple off of the teacher's desk and the placing it in different spots on the desk.
"It takes time to move the apple and the apple is in different places at different times. So time is more than the action of measurement. It allows things to happen".
It was the idea of time travel that really got the interest of the students. Marshall explained how paradoxes in time travel are really from time travel stories and not time travel science. He explained how two ideas from quantum mechanics - the Copenhagen interpretation and the Everett Wheeler hypothesis, show that time travel paradoxes just won't happen because any time travel to the past would have to involve parallel universes. It's a solution he calls "Marshall's Copenhagen/Everett/
Marshall's visit was sponsored in part by the Holiday Inn Express in downtown Cleveland http://www.hiexpress.com/
Marshall will be visiting more schools soon, embarking on an educational tour, as well as appearing at the Universal Light Expo October 14th to lecture on time travel physics and warp drive, and that evening appearing live on the Richard Syreet radio program , The Conspiracy Show http://www.zoomerradio.ca/