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  2. Magic lantern - Wikipedia

    en.wikipedia.org/wiki/Magic_lantern

    The magic lantern used a concave mirror behind a light source to direct the light through a small rectangular sheet of glass—a "lantern slide" that bore the image—and onward into a lens at the front of the apparatus.

  3. Dazzle camouflage - Wikipedia

    en.wikipedia.org/wiki/Dazzle_camouflage

    If such a dazzling target causes a 7% confusion in the observed speed, a rocket propelled grenade travelling that distance in half a second would strike 90 cm (35 in) from the intended aiming point, or 7% of the distance moved by the target. This might be enough to save lives in the dazzle-patterned vehicle, and perhaps to cause the missile to ...

  4. Science - Wikipedia

    en.wikipedia.org/wiki/Science

    Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the world. [1] [2] Modern science is typically divided into two or three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; and the behavioural sciences (e.g., economics, psychology, and sociology), which ...

  5. Outline of science - Wikipedia

    en.wikipedia.org/wiki/Outline_of_science

    The following outline is provided as a topical overview of science; the discipline of science is defined as both the systematic effort of acquiring knowledge through observation, experimentation and reasoning, and the body of knowledge thus acquired, the word "science" derives from the Latin word scientia meaning knowledge.

  6. Mars - Wikipedia

    en.wikipedia.org/wiki/Mars

    Mars is the fourth planet from the Sun.The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet". [22] [23] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.

  7. Scientific method - Wikipedia

    en.wikipedia.org/wiki/Scientific_method

    The history of scientific method considers changes in the methodology of scientific inquiry, not the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the primacy of ...

  8. History of science - Wikipedia

    en.wikipedia.org/wiki/History_of_science

    The nature of the history of science is a topic of debate (as is, by implication, the definition of science itself). The history of science is often seen as a linear story of progress [27] but historians have come to see the story as more complex.

  9. Dazzle - Wikipedia

    en.wikipedia.org/wiki/Dazzle

    Dazzle (video recorder), a family of external video capture devices; Dazzle camouflage, a family of ship camouflage; Dazzle Draw, a raster graphics editor for the Apple IIc and Apple IIe; Dazzle reflex, a type of reflex blink where the eyelids involuntarily blink in response to a sudden bright light; Dazzle, an intense and vision-impairing glare