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Microscope, instrument that produces enlarged images of small objects, allowing the observer an exceedingly close view of minute structures at a scale convenient for examination and analysis. It may provide a dynamic image (as with optical instruments) or one that is static (as with scanning electron microscopes). Cell Theory is one of the basic principles of biology.Credit for the formulation of this theory is given to German scientists Theodor Schwann (1810–1822), Matthias Schleiden (1804–1881), and Rudolph Virchow (1821–1902). Welcome to the home page of Microscopy Image Browser. Microscopy Image Browser (MIB) is a high-performance Matlab-based software package for advanced image processing, segmentation and visualization of multi-dimensional (2D-4D) light and electron microscopy datasets.

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A downloadable game for Windows, macOS, and Linux

Look through a microscope and discover a small world made of ever expanding cells of 3 colors.

Launch a cell against one of the same color to make them both disappear. Launch it against a cell of a different color and a new cell of the third color will be created.
But beware! Cells are aging and become sick and dark. They might spread out and contaminate the whole system. Create white cells to help you cure this disease before it's too late. Try to stay alive the longer you can and beat your score or your friends' high scores.
Little Cells is available for Windows, Mac and Linux.
Key Features
- Simple and addictive original gameplay for all.
- Short albeit intense game sessions.

2019 June 2nd - !!! New 1$ Regular Price !!!
2017 Avril 1st - !!! Big New Game Update !!!
2015 June 6th - !!! Big New Game Update !!!
2015 June 5th - !!! New Regular Price !!!

On top of the forum bellow, you can interact with us on Discord, plus the classics Mastodon, Twitter, Diaspora and Facebook (Fully Bugged or LIttle Cells page),

This game is powered by the Open-Source, Orx Engine.
2020 - All rights reserved to Fully Bugged.

PlatformsWindows, macOS, Linux
AuthorsFully Bugged, iarwain
Tags2D, cell, linux, macos, Mouse only, science, Singleplayer
Average sessionA few minutes
LinksSteam, Homepage, Twitter, Facebook


In order to download this game you must purchase it at or above the minimum price of $1.49 CAD. You will get access to the following files:

Also available on

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I played this game as part of our ongoing It's NAP Time series! Really fun little game and addictive too! Definitely one I'll continue to play in the future! :D

Awesome! We're happy you enjoyed playing the game :).
And great video too, We will spread it out around in our Social medias!

I got the game with the bundle and really enjoyed it! Manouvering cells around is fun and the puzzle aspect have some depth that made you think fast.

Would be really nice to have online highscores for it :)

Thx so much.

We added online score when we had a service allowing us to do so 'easily'. So the Android (with Google play) and Steam version have it.
This version without any DRM or mandatory account unfortunately is not, but you're right, it's part of the fun to compare your high score with your friends, or the world.

Yeah, I know it's a bit more tricky when it comes to DRM-Free version & without any Tools available. Anyhow, still fun!

  • The simple microscope
    • Principles
  • The compound microscope
    • The objective
  • Specialized optical microscopes
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Microscopes And Cell Theorymr. Mac

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Articles from Britannica Encyclopedias for elementary and high school students.
Brian J. FordSee All Contributors
Research biologist, Cambridgeshire, England, and fellow of Cardiff University, Wales. Author of Using the Digital Microscope and many books explaining and popularizing science.
Microscopes And Cell Theorymr. Mac
Alternative Title: microscopy

My light unseen. Microscope, instrument that produces enlarged images of small objects, allowing the observer an exceedingly close view of minute structures at a scale convenient for examination and analysis. Although optical microscopes are the subject of this article, an image may also be enlarged by many other wave forms, including acoustic, X-ray, or electron beam, and be received by direct or digital imaging or by a combination of these methods. The microscope may provide a dynamic image (as with conventional optical instruments) or one that is static (as with conventional scanning electron microscopes).

What is a microscope?

A microscope is an instrument that makes an enlarged image of a small object, thus revealing details too small to be seen by the unaided eye. The most familiar kind of microscope is the optical microscope, which uses visible light focused through lenses.

What does “microscope” mean?

The word “microscope” comes from the Latin “microscopium,” which is derived from the Greek words “mikros,” meaning “small,” and “skopein,” meaning “to look at.”

Who invented the microscope?

It is not definitively known who invented the microscope. However, the earliest microscopes seem to have been made by Dutch opticians Hans Janssen and his son Zacharias Janssen and by Dutch instrument maker Hans Lippershey (who also invented the telescope) about 1590.

What are microscope slides?

Microscope slides are small rectangles of transparent glass or plastic, on which a specimen can rest so it can be examined under a microscope.

The magnifying power of a microscope is an expression of the number of times the object being examined appears to be enlarged and is a dimensionless ratio. It is usually expressed in the form 10× (for an image magnified 10-fold), sometimes wrongly spoken as “ten eks”—as though the × were an algebraic symbol—rather than the correct form, “ten times.” The resolution of a microscope is a measure of the smallest detail of the object that can be observed. Resolution is expressed in linear units, usually micrometres (μm).

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The most familiar type of microscope is the optical, or light, microscope, in which glass lenses are used to form the image. Optical microscopes can be simple, consisting of a single lens, or compound, consisting of several optical components in line. The hand magnifying glass can magnify about 3 to 20×. Single-lensed simple microscopes can magnify up to 300×—and are capable of revealing bacteria—while compound microscopes can magnify up to 2,000×. A simple microscope can resolve below 1 micrometre (μm; one millionth of a metre); a compound microscope can resolve down to about 0.2 μm.

Images of interest can be captured by photography through a microscope, a technique known as photomicrography. From the 19th century this was done with film, but digital imaging is now extensively used instead. Some digital microscopes have dispensed with an eyepiece and provide images directly on the computer screen. This has given rise to a new series of low-cost digital microscopes with a wide range of imaging possibilities, including time-lapse micrography, which has brought previously complex and costly tasks within reach of the young or amateur microscopist.

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Other types of microscopes use the wave nature of various physical processes. The most important is the electron microscope, which uses a beam of electrons in its image formation. The transmission electron microscope (TEM) has magnifying powers of more than 1,000,000×. TEMs form images of thin specimens, typically sections, in a near vacuum. A scanning electron microscope (SEM), which creates a reflected image of relief in a contoured specimen, usually has a lower resolution than a TEM but can show solid surfaces in a way that the conventional electron microscope cannot. There are also microscopes that use lasers, sound, or X-rays. The scanning tunneling microscope (STM), which can create images of atoms, and the environmental scanning electron microscope (ESEM), which generates images using electrons of specimens in a gaseous environment, use other physical effects that further extend the types of objects that can be examined.

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