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Direct laser irradiation generates a high-pressure shock that causes the formation and coalescence of voids , and this void formation and coalescence in turn create spall . Direct laser irradiation generates a high-pressure shock that causes the formation and coalescence of voids , which in turn create spall . More than 500 people work at the mine daily in a dangerous environment that includes extremely wet conditions , high temperatures , inadequate ventilation and rock falls . It 's an ideal situation : the school provides a room and takes care of all the administration ; Pam focuses on teaching music . ) , emerges onto a vertiginous ledge and continues along a narrow path etched into the cliff face , climbs over a lip of rock with a breathtaking view from the top of a most spectacular waterfall that tumbles thousands of feet below , and continues into another world , a rock-enclosed cirque with a gorgeous little Alpine lake flanked by occasional snowslides that even calve icebergs . The dominant products are all possible pairs of the original amino acids joined together by a peptide bond , which implies that some of the energy of the impact has been harnessed to create larger organic molecules .