Showing category "Science" (Show all posts)

Electromagnetism Generator

Posted by chanawat on Wednesday, February 10, 2010, In : Science

A simple generator is similar to an electric motor.
With a motor, we put electrical energy in and get rotational energy out,
with a generator we put rotational energy in and get electrical energy out.

As with the motor, the current direction changes
with each half turn of the generator.
The generator produces alternating current
because slip rings are used in place of a split - ring commutator.

The slip rings keep a continuous connection
with the wire around the armature (continued).

If a simple...

The Cell Cycle & Mitosis

Posted by chanawat on Monday, December 21, 2009, In : Science

What is (and is not) mitosis?

Mitosis is nuclear division plus cytokinesis, and produces two identical daughter cells during prophase, prometaphase, metaphase, anaphase, and telophase. Interphase is often included in discussions of mitosis, but interphase is technically not part of mitosis, but rather encompasses stages G1, S, and G2 of the cell cycle.

Interphase & mitosis

Interphase

The cell is engaged in metabolic activity and performing its prepare for mitosis (the next f...

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Showing category "Science" (Show all posts)

Electromagnetism Generator

The Cell Cycle & Mitosis

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