Does that make sense . Yes. Thank you. You welcome, i apologize for my wordiness. Hello. I have a good intuition for chemical rocket engine, i watch a lot of videos and heard the audio, but i dont have a good intuition for what the ion engine is like. Nobody does. Is like darth vader. Im wondering what it would sound like, what would happen if i put my hand a foot away from it, what if i stood tempe away from it. So, for all intensive purposes, the ion engine can only work in a backing change chamber. In space nobody can hear you. You cannot hear an ion engine and space. Space. It does not make a sound. What would it feel like if you put your hand in front of a . There is a lot of energy in these very high velocity the on ions. Kilowatts. This is a highly efficient system. So, of course it is not perfectly efficient so not all of the Electrical Energy goes into that being, but that beam, but it is very highenergy. So if putting your hand in a vacuum of space with tolerable you would no
I am sure justice i am sure this isnt something any to make clear. In 1960 clip. You will hear how comfortable she was with the justices probing her questions and positions today sector arguments hear you will hear her plane having fun with the way the justice worded one of his questions. This is an opportunity of a bike to go one to show. How will ask the question the standard for all unanswered to the chief justice greg. What do you mean by. I dont fall on either. [laughter] she won that case eight one with Justice Whitaker providing bellow dissent despite the banter you heard in the prior clip they enjoyed a cordial relationship outside the courtroom frankfurter inscribed copy of his book to her this way, for bessie who pleases me more often than i through no fault of my own. In the early 60s she decided to pursue a federal judgeship as a particularly audacious pursuit given the fact there only to women federal judges in the country but with the enthusiastic support from congress th
We have two breaking news stories at noon. First the bomb threat of Mclean High School forces officials to cancel classes the rest of the day. Students sent to the School Football county as Fairfax County police comb the campus looking for the device around 8 00 this morning. No device found in no one hurt a lockdown just lifted at 4 schools in Prince Georges County following a shooting at greenbelt and aerospace roads. Officials shut down Duval High School Robert Goddard monastery catherine t. Reed elementary and magnolia elementary is a progression. At least one person shot and Police Looking for two suspects and no students are. Good afternoon and thanks for joining us and im andrea roane. New information about Ronald Hamilton was the suspect in the killing of a Prince William county Police Officer Ashley Guindon and his wife crystal hamilton. He made his First Court Appearance of peggy fox is there and joins us live from Prince Williams county courthouse. Reporter you see the flag
Contentious road ahead in clinching the nominations. Reporter donald trump won in North Carolina, illinois, and florida. We are going whip, to win, win, win, and we are not stopping. Reporter he ended marco rubios campaign. While we are on the right side, this year, we are not on the winning side. I want you to know the Campaign Goes on and i also want you to know its been my intention to make you proud. Reporter the race between trump and cruz in missouri is too close to call. Only two campaigns have a plausible path to the nomination, ours and donald trumps. Reporter Hillary Clinton and more than ever shes eyeing the fight with the front runner. Our commander in chief has to be able to defend our country, not embarrass it. Reporter sanders believes he can win the nomination. You do not have to accept the status quo. We can do better. Reporter the candidates now turn their attention to states like arizona and utah who have primaries next week, and now again in the delegate count this
Original books, pamphlets and periodicals related to the history of the United States. That, we will talk with author Jeanette Greenwood and discuss her book, first birds of freedom, but the migration of africanamericans after the civil war. There were, you know, organizations, every town in the county had when. There were lots of, there were breaks out, quite a few eight societies organized as well, so at this time it was very forwardlooking. Best known as the father of modn rocketry. Well learn about goddards contribution to science through his papers, diaries and artifacts. Robert goddard attributes his first interest in space travel and his first interest in a career in science to a day in 1899. He went outside with a saw and a hatchet, and he was meant to trim the dead branches off a cherry tree. And he climbed the tree i think he made himself a little ladder to get up the tree and while he was up in the tree, he looked down on the fields around him, and he thought how wonderful i