Sight, sound, and yes, taste, have all helped humanity better understand space, but what about smells? Scientists think we have a pretty good idea of what some places smell like, and decoding astronomical aromas can be a good way of...

In this video Paul Andersen explains why light is important in probing matter. Light travels in photons and the energy of individual photons is determined by Planck's equation. Infrared spectroscopy is useful in detecting the...

The discovery by Robert Bunsen which allowed elements to be identified more easily, and even led to the discovery of new ones. Chemistry - Atoms And Bonding - Learning Points. Gustav Kirchoff assembled the first spectroscope - two...

This video covers:

- What flame emission spectroscopy (also called flame photometry
) is.
- How it can be used to identify the metal ions present in
a sample
- How it shows the concentration of each metal ion...

Something mysterious is going on at the Sun. In defiance of all logic, its atmosphere gets much, much hotter the farther it stretches from the Sun’s blazing surface.



Temperatures in the corona — the...

People have been looking at outer space through telescopes since the time of Galileo. Learn how telescopes work and how they have expanded what we know about our solar system.

This video discusses the importance of absorption spectroscopy. A brief idea about ultraviolet and visible spectroscopy is presented in the video. The video shows the light sources used for different regions of operations. The type of...