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).
Itâs a riddle thatâs puzzled physicists for well over a century, and theyâve come up with numerous theories to explain timeâs arrow. The latest, though, suggests that while time moves forward in our universe, it may run backwards in another, mirror universe that was created on the âother sideâ of the Big Bang. Two leading theories propose to explain the direction of time by way of the relatively uniform conditions of the Big Bang.