NIST physicist Scott Papp describes NIST's process for making a miniature laser frequency comb in minutes. The process involves machining a piece of quartz to produce a small, smooth disk within which light can circulate.

"If you can see something on your computer, why shouldn't you be able to feel it? Touch is an important part of the sensory experience of being a human," says Katherine J. Kuchenbecker, an assistant professor of Mechanical Engineering...

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Endochondral Ossification

Eta Carinae is a binary system containing the most luminous and massive star within 10,000 light-years. A long-term study led by astronomers at NASA's Goddard Space Flight Center in Greenbelt, Maryland, combined data from NASA...

This is a lecture video on thermal insulation that discusses how energy can be lost from a building and the measures that can be taken to reduce this loss. The video covers various parts of a building such as the roof, windows, and...

In this video, Leslie talks about the pressure changes in the Thoracic, Pleural and Pulmonary cavity and how they change during breathing. Enjoy!

In this video, I talk about the organ of corti, which is found on top of the basiliar membrane inside the cochlea. When the basilar membrane vibrates up and down, that causes the organ of Corti to move up and down, and the tectorial...

This video discusses what happens to the egg after ovulation and how it travels through the female reproductive tract. It also explains the role of the corpus luteum in secreting progesterone and estrogen, and how it is sustained...

In this episode we examine the topic: The Most Painful Religious Rituals

Anatomy and definition of the glenohumeral joint, commonly known as the shoulder joint.

U-values measure how effective a material is an insulator. The lower the U-value, the better the material is as a heat insulator. For example, a cavity wall has a u-value of 1.6, so most of the heat inside the house will stay in the...

In this video, Jonathan from the Institute of Human Anatomy discusses five organs/structures that human beings can live without.

This live-action video program is about the avian digestive system. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful,...

Flatworms Simple Wiggly Tubes

Gear pumps are positive displacement rotary pumps that transport high pressure, high volume flows. The two types of gear pumps include external and internal. In this course you will learn about the functions and purposes of gear...