Dictionary » O » Observer



noun, plural: observers

(1) One (a person or a machine) that watches, monitors, takes notice, or measures

(2) (psychology) The investigator


In scientific research, the observer may be active or passive. An active observer is one who participates directly while studying or observing a group of subjects. A passive observer is who is not participating but only watches a group of subject under study.

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Effects of variation in Flicker Fusion Thresholds (vision)

P r i m e r Time is relative to the observer, and apparently even differs from place to place in the universe. Part of this relativity is apparently a matter of perception as anyone who has experienced different states of consciousness can ...

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by NMLevesque
Sat Nov 23, 2013 6:47 pm
Forum: General Discussion
Topic: Effects of variation in Flicker Fusion Thresholds (vision)
Replies: 0
Views: 1489

7 deadly sins in nature

Also with any snake including pythons they do not chew their food it is swallowed whole head first thus to the observer can be seen as "gluttonous"

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by vk4vfx
Wed Nov 20, 2013 8:00 am
Forum: Zoology Discussion
Topic: 7 deadly sins in nature
Replies: 6
Views: 3756

Extra Light For Compound Light Microscope ???

... visible light for illuminating the object . it contains glass lenses that magnify the image of the object and focus the light on the retina of the observer's eye . it has two lenses one at each end of a hollow tube.The lens closer to the object being viewed is called objective lens.the lens closer ...

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by Kehsibashok
Sun Jul 28, 2013 6:12 am
Forum: Cell Biology
Topic: Extra Light For Compound Light Microscope ???
Replies: 1
Views: 1387

holographic origin of life

... has no mental processes and therefore has no perception? Answer: A rock has no mental processes but that doesn't mean that it can't be used as an observer.There are physical laws in relation with it.For instance, according to mars or venus, the sun is moving.That doesn't mean that venus or mars ...

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by minasole
Thu Jul 18, 2013 3:05 pm
Forum: Evolution
Topic: holographic origin of life
Replies: 13
Views: 18276


What about the Heisenberg's uncertainty princip? Yeah, that is why I said we'd need a quantum mechanist. And that, along with the so-called "observer effect", is also what I meant by us not being able to measure these events precisely enough. However, even if quantum events seem random ...

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by biohazard
Mon Feb 11, 2013 7:08 am
Forum: Cell Biology
Topic: Do We Have The Freedom Of Choice?
Replies: 27
Views: 28883
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