Search results for “source”

Light Sources

Explore natural and human made light sources in the environment in this live-action video produced by WGBH. The video can help children observe and identify light sources and describe objects that are visible in the light’s path. Support materials include: Background Reading, Teaching Tips, and Dis

What information can be published on Wikipedia?

Is Wikipedia a reliable source? What information can actually be published on Wikipedia? We try to answer these questions by explaining the basic principles of the neutrality & reliability of sources used when editing an article on Wikipedia. This video was produced in cooperation with Wikimedia Ge

How is the redshift created

The light of the stars reveals their movement. When a light source diverts from us, the light waves are pulled apart. This makes the light more reddish. This redshift reveals that the light source is moving away from us and how fast it is doing that. Author: ZDF/Terra X/ H. Kotarba/ Albrecht M. We

David Lang: My underwater robot

David Lang is a maker who taught himself to become an amateur oceanographer -- or, he taught a robot to be one for him. In a charming talk Lang, a TED Fellow, shows how he and a network of ocean lovers teamed up to build open-sourced, low-cost underwater explorers.nnTEDTalks is a daily video podcast

THE BEST TECHNIQUES FOR ACADEMIC RESEARCH

Dickson Wong, our award winning tutor for Maths, Economics, and Mandarin dives into the proven techniques that has led his students to smash their undergraduate & PHD level dissertations and research projects. He is experienced with a breadth of age groups and curriculums, having taught students fr

Nietzsche: Master and Slaves

What if morality is just a fiction used by the herd of inferior human beings to hold back the few superior men? In this Sprouts special with Stephen Hicks, we examine Nietzsche’s explanation for how ethics develop and the consequences for master types living in a world that’s dominated by the morali