The results of this test were suppressed and were not revealed until fifteen years later during the HSCA investigation. The Zapruder film was not shown on television until 12 years after the assassination. The Warren Commission ignored at least seven witnesses who claimed they saw a puff of smoke on the grassy knoll during the assassination. An experiment by Noble Prize winner Dr. Luis Alvarez shows that a melon shot by a high-velocity frangible bullet produces a retrorecoil that sends the melon flying back towards the shooter. In Dr. Alvarez's experiment the stream of melon matter is seen over six frames.
Stream moves predominantly in one direction.
If the inner matter of the melon had moved in several directions, their forces would act to canceled each other out. If half of the stream had moved forward and half backward, for example, then the forces ofthe two streams would have cancelled each other out and the melon would not have moved. Now to the evidence. No jet stream is seen in the Zapruder film that even remotely resembles the stream in Alvarez's experiment. No stream is seen to exist over five frames or even over two. 2.