We just looked at note taking and sketching as two ways of documenting the crime scene. Now let's look at two more, photography and videography. What is the correct protocol for taking photos of all the evidence at the crime scene? Let's...

Howcast - Learn four wedding photography tips, tricks, and techniques, from commercial photographer Dan Bracaglia in this digital camera lesson from Howcast.

Howcast - Learn how to align your body to your target in bowling from former PBA touring player Mike D'Ambrosio in this Howcast bowling video.

Pupil outcome: I can explain how mirrors are reflective materials that are used to change the direction in which light travels. Key learning points: - When light is reflected off the surface of an object, it changes direction. -...

Dive into the world of miniature cameras in extreme sports and everyday adventures in this video. Discover how these tiny, robust devices have opened up new possibilities for professional and amateur filmmakers alike, enabling detailed...

NASA is sending the OSIRIS-REx spacecraft to explore near-Earth asteroid Bennu, a carbon-rich body that may contain clues to the origins of life. When OSIRIS-REx arrives at Bennu in 2018, it will spend over a year orbiting...

Through animation, I explain various aspects of focal length, from the principle of the subject, to crop factor, and finally the different classifications of lenses.