General Science
- Parking Distance Control, is a system used in cars to measure the distance between the car and obstacles
- Pulsed DC, the form of wave produced from a half-wave rectifier or a full-wave rectifier
- Pyroclastic density current, a highly energetic ground current of superheated gases containing a high density of suspended pyroclastic fragments resulting from a volcanic explosion
- Plasmacytoid dendritic cell, a type of mammalian cell that functions as a component of the innate immune system
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Famous quotes containing the words general and/or science:
“The general review of the past tends to satisfy me with my political life. No man, I suppose, ever came up to his ideal. The first half [of] my political life was first to resist the increase of slavery and secondly to destroy it.... The second half of my political life has been to rebuild, and to get rid of the despotic and corrupting tendencies and the animosities of the war, and other legacies of slavery.”
—Rutherford Birchard Hayes (1822–1893)
“Philosophy of science without history of science is empty; history of science without philosophy of science is blind.”
—Imre Lakatos (1922–1974)
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