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test
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Asked 1/12/2011 4:46:22 PM
Updated 7/20/2022 12:42:51 PM
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Expert answered|workaholicmom|Points 3933|

Question|Rated good
Asked 1/12/2011 4:46:22 PM
Updated 7/20/2022 12:42:51 PM
1 Answer/Comment
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A test is a collection of questions, tasks, or problems that are designed to see if a person understands a subject or to measure their ability to do something.
Added 7/20/2022 12:42:51 PM
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Questions asked by the same visitor
Qhat is a tunneling microscope?
Question
Updated 10/20/2022 2:34:34 AM
3 Answers/Comments
A tunneling microscope is an instrument used for imaging surfaces at the atomic level.
Added 1/12/2011 5:19:19 PM
The tunneling microscope or scanning tunneling microscope (STM) is a type of electron microscope that shows three-dimensional images of a sample.
Added 9/17/2015 12:39:41 AM
This answer has been confirmed as correct and helpful.
Scanning Tunneling Microscopy, or STM, is an imaging technique used to obtain ultra-high resolution images at the atomic scale, without using light or electron beams. STM was invented in 1981 by two IBM scientists named Gerd Binnig and Heinrich Rohrer.

Added 10/20/2022 2:34:34 AM
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