kamen invented the segway.ut for the past decade, his most ambitious project may be the slingshot, a device to make drinkable the world's dirty water. >> it is poison, it is toxic waste. take water that's got fecal matter, cryptosporidium, giardia, every other kind of organic toxin or inorganic. we said, "lets make a box that's small and portable that you can plop down anywhere." >> reporter: a box the size of a dorm-room fridge that almost instantaneously boils and then condenses water, up to 250 gallons a day. >> water that's so pure, it's equivalent to rainwater, it's distilled water. and we believe that if we can build these machines to scale at a cost that is, we think, highly realistic, we will be able to put these things all over the world where people that today have to make a choice between drinking something that will make them sick or possibly kill them and their children, or not drinking at all, which will surely kill them. that's not a choice people should have to make, not in the 21st century. >>

i think it's unfortunate that mr kamen has resigned to bridge the anti fat and appearance before the expense commencing a week's get to the awesome obnoxious boss happens but how it happens to sanction the stuff of payments with the right to note the circumstances in which he resigned to what was happening. cic not just the top box. whatever his resignation is well appointed and will rise this time with color and bounds. on friday the street assessors come in before the puppy has mistake to cheer up all the stories surrounding the crc this afternoon that the stock said he expects the former chief executive to appear before the toll accounts committee on scheduled on wednesday the menu rte news. jesse has the power to stop trips and ten to two for one these children who were diagnosed with a sleeping disorder narcolepsy to believe it was caused by human swine flu vaccine and penrith. she said that those who shoots the state which the staff expenses associated with the errands we endure. this is the letter sent by the hand to c to one family with a child who developed the sleeping diso

at the cantonment, the last thing -- the loss and kamen when they offered him the kingship, could youxpand on that? >> she spent a lot of time at neuberger. the warhead worn down. -- the war had worn down. >> the defining moment in american history, i do not think she was there for that. >> we have about 12 more minutes left. 90 minutes went by so quickly. we started about talking about the important white house years. our last will be the life after presidency. what is this president scenting setting? >> he became the first president and the first ex-president. >> did they think about that a lot? >> they were just glad to be home. >> was there any consideration of a third term? >> no. washington had wanted very much to leave after the first term. it is safe to say martha was not happy. she was not happy he took the first term. she recognized it was unavoidable and her life had become caught up in the life of the country. the third term -- >> he twice had ailments that almost killed him during the time he was president. she was terrified the presidency would literally kill him. you th