the study of working with incredibly tiny materials and devices to create new technologies and applications

the scientific process of creating an identical or near-identical copy of a living organism, cell, or DNA sequence through asexual reproduction or genetic engineering techniques

an artificial environment generated by a computer that makes the user think what they are seeing or hearing is real, by using a special headphone and a helmet that displays the generated environment

a field of science that deals with creating programs able to learn or copy human behavior