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).
One pertains to relative mass, length, time in a frame of reference which is in motion with respect to other which is at rest mass. According to this theory called theory of special relativity, mass, time, length are not absolute but are relative according to their frame of regency which are in relative motion. Mass in s frame of reference moving with respect to other reference increases, time decreases or dilates and length increases.