What is the cause of fainting or collapsing? (A monk in Burma)
Dr. Khin Saw Win, a Burmese doctor residing in Alberta, Canada, said there are several causes for people collapsing. However, three main causes are irrregular blood circulation in the brain, for example, stroke and brain hemorrhage; a concussion, mostly caused by car accidents; and hypoglycemia, which is a lack of glucose in blood circulation, or diabetic reasons.
What kind of fuel is used for MIG, jet fighters and spacecraft? (A school headmaster)
Khin Maung Maung, a nuclear physicist and a professor of Hampton University in Virgina, the United States Air Force has been using JP fuel for fighter jets since 1952. JP 8 + 100 fuel is a kind of hydrocarbon, which is mixed with paraffin, napthane and aeromatics. Spacecrafts consume two tanks of liquid hydrogen and liquid oxygen for burners.
Could you tell us about magnetic levitation train? (A student from New York City College)
According to Prof. Khin Maung Maung, U.S. scientists James Powell and Gordon Danby registered the patent for the first designed magnetic levitation train in 1969.
Germany and Japan initiated the commercialization of maglev trains since 1970. Maglev technology in the United States lags Germany and Japan. A maglev train project just started in Shanghai, Funan Province of China.
The pilot maglev train project has been conducted in Old Dominion University campus in Norfolk, Virginia. There are two types of maglev technologies - electro magnetic suspension and electro dynamic suspension.
Germans use electro magnetic suspension technology, which has one rail. There is half-inch gap between train and rail, raised by magnetic force.
Japanese use electro dynamic suspension technology, which runs in a ditch with an 8-inch gap between train and rail. This type of technology is suitable for Japanese terrain and its frequent earthquakes. It is estimated that the cost of maglev trains will be around 50 million dollars per mile.