sstasya356 1 This man's name is John. You may have met him in the lab.2 Specialists in modern computer technology must know both Physics Mathematics well.3 you shouldn't take much cash with you. Take a credit card.4 all people can learn to work on the computer using special programms.5 now they must be doing this interesting experiment.6 Isaac Newton was able to check his theory of gravitation on big astronomic objects after 1665.