physical symptoms definition, physical symptoms meaning | English dictionary. Search also in: Web News Encyclopedia Images. physical. adj. 1 of or relating to the body, as distinguished from the mind or spirit. 2 of, relating to, or resembling material things or nature. the physical universe. 3 involving or requiring bodily contact.
Time travel is the concept of movement (often by a human) between different points in time in a manner analogous to moving between different points in space, typically using a hypothetical device known as a time machine.on-technological forms of time travel had appeared in a number of earlier stories such as Charles Dickens ' A Christmas Carol. Historically, the concept dates back to the early mythologies of Hinduism (such as the Mahabharata).
Pictured is a model of how a ship, enclosed in a space-time 'doughnut', could reach the stars. While nothing can break the speed of light, scientists have long considered the fantasy of warp speed travel, where spaceships could bend space and time on itself to move through loopholes in space.