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aubreyrve Group Title

whose discovery of radium changed the world's view of the atom? according to Sigmund Freud, human behavior was__ According to albert Einstein, special theory of relativity,

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  1. evilbrand97 Group Title
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    Sigmund Freud believed that all human behaviour was motivated by unconscious forces. Freud hypothesized that people, like animals, are are motivated by drives and instincts. Freud proposed two basic drives; sex and aggression. This was Freud's drive model. Freud believed that during the development of personality, sexuality and motivation there were a number of stages an individual went through, he named these stages the psychosexual stages. The stages are as follows; Oral, Anal, Phallic, Latency, Genital. This was the developmental model. Freud used the Structural model to describe the conflict in terms of desires on the one hand and the conscience or constraints of reality on the other hand. This model consists of three forces; the id, ego and superego. The id acts according to the pleasure principle and seeks immediate gratification and has little or no conscience. The superego acts as a conscience and is the parental voice within the person. The ego is the structure that must somehow balance desire, reality and morality. Freud described the ego as serving three masters; the id, the external world and the superego. Radium was discovered by the Curies in France in 1898, in samples of pitchblende which were found to be radioactive after removal of the uranium. In 1905, Albert Einstein determined that the laws of physics are the same for all non-accelerating observers, and that the speed of light in a vacuum was independent of the motion of all observers. This was the theory of special relativity. It introduced a new framework for all of physics and proposed new concepts of space and time. Einstein then spent ten years trying to include acceleration in the theory and published his theory of general relativity in 1915. In it, he determined that massive objects cause a distortion in space-time, which is felt as gravity.

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