A. he hopes to launch himself into the future B. we ourselves are moving in it C. after demonstrating his model D. from the alternating light and dark E. as the fourth dimension F. with a nasty cut on his chin G. which has taken him two years to construct H. like a rocket into the future I. he wishes to get there in time J. from one place to another K. his guests wonder what is keeping him L. through the centuries__________