Who Turned Out the Lights?

It doesn't matter how old you are or where you live, you can help protect the environment. Created in 2005 for World Environment Day, the agreement shows that the simple steps one can take to make a change have stayed the same, despite...

How much energy does it take to light a room? Class members calculate the total wattage it takes to light the classroom. Through calculations, responsible scientists determine the cost of energy for the year, then figure out how much...

While we are all familiar with what happens when you turn on a light bulb, Albert Einstein was convinced that there was more happening than meets the eye. The video describes his extension of the research of others to ultimately...

Barbie, pink flowers, Pink Panther, pink pigs, pink clothes, and pink flamingos all have one thing in common — they really aren't pink because there is no such thing as pink light. So, what is the color we call pink? The short video...

Can you bend light waves using water? Physics Girl demonstrates this phenomenon and explains how it happens as part of her larger series. She then details the applications and even explains how the Internet works.

How do you get the most light out of a light bulb? That's the task Max Planck took on, and it turned out to be rather...enlightening! The illustrated video introduces physics scholars to Planck's plight, which ultimately changed our...

As the rates of skin cancer rise to become the most common type of cancer in the United States, scientists directly relate sunscreen usage to skin cancer prevention. Doctors research exactly how ultraviolet light changes cells. Viewers...

Why so blue? As it turns out, very few things in nature only reflect blue light! A short video from a comprehensive science playlist highlights the beautiful blues of butterflies, birds, and human eyes. The narrator shows how adaptations...

Medicine has gone high tech. But how do the new, less invasive diagnostic tools work? An engaging short video sheds light on how integrated photonics is revolutionizing the medical sensor industry.

An impressive animation explains the earth's awe-inspiring auroras. The contributions of high-energy particles from the sun collide with our neutral atmospheric atoms. Explained are the roles of solar wind, plasma, the magnetosphere,...