One Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in one minute!

Getting older means it’s likely that your eyes will have trouble focusing on things at close distances, so we are often prescribed glasses to combat this problem. But what if there were eye drops that could achieve the same results? <br/>

What exactly is the Thirty Meter Telescope, and why is the proposed location in Hawai'i such a conflict?

Have you ever looked at your camera and wondered what all of those buttons actually do? For manual photography, the aperture, shutter speed and ISO sensitivity can all be manipulated to get just the right amount of light. Carolina...

Sometimes the most intimidating part of making a movie is that little box of concentrated technology called "The Camera." But, FEAR NOT! In this episode of Crash Course Film Production, Lily helps us dissect the basics of modern movie...

Before you take your relationship with space to a new level by getting a telescope, find out what you really need to make the most of your summer nights staring at the sky.

This video provides an informative explanation of depth of field in photography. It begins by defining depth of field as the areas of an image that appear clear and in focus, and highlights how it can be used to draw attention to...

Howcast - Taking a woman’s portrait isn’t just about photographic skill, it’s about flattery.

Howcast - Learn about F-stops from commercial photographer Dan Bracaglia in this digital photography lesson from Howcast.

Howcast - Learn seven tips about digital camera shutter speed from commercial photographer Dan Bracaglia in this digital photography lesson from Howcast.

Howcast - Learn six digital camera exposure basics from commercial photographer Dan Bracaglia in this digital photography lesson from Howcast.

Howcast - If your photos are looking a little boring and need something to spice them up, use this technique to add interest and drama to your subjects.

Howcast - Learn what is the best f-stop, ISO and shutter speed for portraits from professional photographer Joe Sinnott in this Howcast photography tutorial.

Howcast - Learn the best aperture to use for sports and other action photography from professional photographer Luke Ballard in this Howcast video.

Howcast - Learn about the best aperture for landscape photography from professional photographer Luke Ballard in this Howcast video.

Howcast - Learn about the best aperture to use for portrait photography from professional photographer Luke Ballard in this Howcast video.

Howcast - Learn how to manually expose your aperture from professional photographer Luke Ballard in this Howcast video.

Howcast - Learn how to manually expose your shutter speed from professional photographer Luke Ballard in this Howcast video.

The aperture is the opening by which light enters your camera. When altered, it produces drastically different effects.

Hey everyone! I'm starting a new series on my channel - Astro Lens Reviews. In these videos I will be taking some of the most popular astrophotography lenses and reviewing them, finding out if they're really worth all the hype, and...

In this video I take a closer look at the exposure triangle and address some ways it could be improved. The exposure triangle has been a popular learning tool for beginners for decades, but unfortunately, since ISO is not part of camera...

In this video I cover some good tips to help you achieve sharp photos, a hallmark of a professional photog.

This video explains how to capture the aurora, detailing the planning, gear, and settings needed to create beautiful aurora photos.

Learn how to eliminate star trails in this quick astrophotography tutorial. In this video I cover the "500 Rule" and "NPF Rule," two ways to eliminate star trailing that can creep up in your photos. Link to spreadsheet with pixel...