Bozeman Science
Phases of Meiosis
In this video Paul Andersen explains the major phases of meiosis including: interphase, prophase I, metaphase I, anaphase I, telophase I, cytokinesis, interphase II, metaphase II, anaphase II, and telophase II. He explains how variation...
Bozeman Science
Mitosis and Meiosis Simulation
Mr. Andersen uses chromosome beads to simulate both mitosis and meiosis. A brief discussion of gamete formation is also included.
Curated Video
Reproduction and Species Continuity: Cell Division in the Fifth Phase of Meiosis
By the end of this learning object, the student will be able to: Explain the fifth phase of meiosis.
Curated Video
Let's Go There! Spindletop and the Texas Oil Boom
Travel to Spindletop to learn about the Texas oil boom.
Curated Video
Machining Subminiature Features on Fibre Optics: The Dicing Process
As part of a project with the Optoelectronics Research Centre at the University of Southampton, we were required to machine two 100-micron wide grooves on a piece of flat optical fibre. In this video, we show exactly how this is done.
Curated Video
How To Regrind Drill Bits Using a Quorn Tool & Cutter Grinder
In this video we demonstrate the process of precision drill grinding with conical flank relief on a shop-made Quorn tool and cutter grinder.
Curated Video
Woodturning on a Miniature Lathe: Making a Weiss Distribution Tool
Some people argue that woodturning should be left to a woodturning lathe; however, here we show that a small engineering lathe is very capable at machining small wooden components. To demonstrate this, we made a Weiss distribution tool,...
Curated Video
Machining a Resettable Dial for a Myford Leadscrew Handwheel
The standard Myford dial on the leadscrew handwheel is not resettable. In this video, we machine a resettable dial for a Myford lathe. We do this on the Myford lathe itself, a Dore Westbury milling machine and a Gravograph engraver.
Curated Video
Watchmaking: Machining a Watch Gear
In this video, Mike machines a gear wheel for a watch.
Curated Video
Meiosis
Meiosis explores cell division by explaining the process and function of meiosis.
Independent Producers
Inventor of Polarizing Microscope Sheds Light on Cell's Mystery
A new way of looking at live cells is revolutionizing our understanding of how molecular life works. However, it is how one scientist managed to complete his study despite facing World War II in Japan that makes his discovery so...
ShortCutsTv
The structure of sleep
Until relatively recently sleep was a mystery. But that all changed with the advent of polysomnography, the electrical recording of brain activity. The short film provides students with a clear visual introduction to the stages of sleep....
The March of Time
MOT 1951: PERSIAN RUGMAKERS
Women spinning girls knotting rug / Women turning spinning wheel putting wool onto spindles / WS (Behind) three girls working on hanging rug strings profile of child (8 9) weaving rug hand knotting / Child labor carpet ancient artform.
Curated Video
The Functions and Types of Door Knobs and Handles
Learn about the function and design of doorknobs and other types of door handles. It explains how doorknobs work, with their two knob and spindle mechanisms, to open and close doors. It also discusses alternative handle designs,...
Professor Dave Explains
Mitosis: How One Cell Becomes Two
We know that we are made of cells. But we start out as just one tiny little cell in the womb. How does that become enough cells to look like a baby? And how does that baby get enough cells to become an adult? The answer is mitosis! This...
Ancient Lights Media
Cell Reproduction Review
Cellular Reproduction Set: 5. This clip reviews the series of events involved in the reproduction of the cell from interphase through mitosis to cytokinesis.
Ancient Lights Media
Cell Reproduction Mitosis: the Five Phases
Cellular Reproduction Set: 3. This clip describes the events of the five phases of mitosis: prophase, pro metaphase, metaphase, anaphase and telophase.
Ancient Lights Media
Meiosis/ The Phases
Meiosis Set: 2. This clip provides a detailed look at the phases of meiosis and the production of haploid sex cells.
Getty Images
Production of knitwear, Winding machine for the dissolution of defective knitwear
Production of knitwear, Winding machine for the dissolution of defective knitwear
Getty Images
Sales associate spikes receipt on ticket spindle by cash register
Sales associate spikes receipt on ticket spindle by cash register
Getty Images
Cashier hands customer receipt and spikes receipt on spindle at sales counter
Cashier hands customer receipt and spikes receipt on spindle at sales counter
Getty Images
CU computer controlled spindle bore lathe machine grinding a metal work piece / Redlands, California,USA
CU computer controlled spindle bore lathe machine grinding a metal work piece / Redlands, California,USA