Isa is the name given in Islam to Jesus as an ordinary human being. Muslims do not believe that Jesus was of divine origin, but consider both him and Muhammad to have been men, and to have been the last two Prophets of Islam[?]. Thus "Isa" is not equivalent to "Jesus Christ" as "Christ" implies divinity.
this is a stub - what else do Muslims believe about Isa as a prophet, etc.
... but is surprisingly simple. It can easily be understood with a little knowledge of gyroscopes. Their striking property is that the axis of a spinning gyroscope will resist a ...