Observer/physics

Famous quotes containing the words observer and/or physics:

“I had such a wonderful feeling last night, walking beneath the dark sky while cannon boomed on my right and guns on my left ... the feeling that I could change the world only by being there.”
—Viorica Butnariu, Rumanian student at Bucharest University. letter, Dec. 23, 1989, to American friend. Observer (London, Dec. 31, 1989)

“Although philosophers generally believe in laws and deny causes, explanatory practice in physics is just the reverse.”
—Nancy Cartwright (b. 1945)