Professor Dave Explains
The Psychology of Humor: Why Are Things Funny?
Everyone laughs to laugh! But why? What is the evolutionary purpose of laughter? How does laughter work on the mechanistic level? Why do we find things funny? There is a lot to discuss here from the standpoint of psychology, so let's dig...
Professor Dave Explains
Introduction to Ecology
We've learned a lot about living organisms on this channel, but now it's time to broaden our scope quite a bit. How do living organisms interact with each other and their physical environments? What is the nature of the biosphere? The...
Curated Video
I WONDER - Where Did The Archaeopteryx Live?
This video is answering the question of where did the archaeopteryx live.
Australian Children's Television Foundation
Why Are There Camels in Australia?
Season 2, Camels part 2. Kamil and Kayne take a long walk around the rom of Watarrka National Park in central Australia, alongside two park rangers. The rangers introduce them to an emergency call device and explain how it works. The...
Australian Children's Television Foundation
Searching for an Emu After a Bush Fire
Season 2, Emu part 3. Kayne and Kamil encounter various animals, including a rare tree kangaroo as they search for an emu nest. Kayne also gets a lesson in different Wiradjuri dialects. Uncle Lewis describes what to look for and helps...
Curated Video
Queen Nzinga part 1: Difficult Birth and Early Life
This video tells the story of Queen Nzinga Mbandi, a renowned queen from Southwest Africa who was known for her intelligence, political aptitude, and military skills. The video explores her background, including her difficult birth and...
Flipping Physics
Gauss's Law - Charged Plane Electric Field
The electric field of an infinitely large, thin plane of positive charges with uniform surface charge density is determined using Gauss’s law. The electric field is normal to and directed away from the plane and can be found by using a...
Flipping Physics
#12 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about using the a graph and the integral (or the area "under" the curve) to determine the change in momentum (or impulse) of an object.
Flipping Physics
#70 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about what happens to the capacitance of a capacitor when you add a dielectric.
Flipping Physics
#68 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about determining the equation for the changing magnetic field which is inducing an emf on a wire loop.
Flipping Physics
#56 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about using Farady's and Lenz' Laws to determine the magnitude and direction the induced current on a square loop in a changing magnetic field.
Flipping Physics
#51 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about using conservation of energy to determine the final kinetic energy of a charged particle released from the positively charged plate of a parallel plate capacitor.
Flipping Physics
(1 of 2) Electricity and Magnetism - Review of All Topics - AP Physics C
0:00 Intro 0:25 Coulomb's Law (Electric Force) 1:25 Electric Field (Definition and Caused by a Point Charge) 1:58 Electric Field Lines 2:23 Linear, Surface and Volumetric Charge Densities 2:44 Electric Flux 3:12 Gauss' Law (Everybody's...
Flipping Physics
Electricity and Magnetism #1 Free Response Question Solutions - AP Physics C 1998 Released Exam
This Free Response Question includes the following concepts: Electrostatic Forces, Gauss's Law, Electric Fields and work done on a charged particle when moving through an electric potential difference.
Australian Children's Television Foundation
How to Catch an Arafura File Snake
Season 1, Arafura File Snake part 4. Brandon and Kayne get help from a few Gunbalanya Traditional Owners who are experts at catching File Snakes. Learn how to catch a File Snake and how to cook one! Bushwhacked! is a high-energy search...
Australian Children's Television Foundation
Northern Tree-Dwelling Funnel Web Spider Sighting!
Season 1, Funnel Web Spider part 5. Brandon and Kayne cross the mountain, looking for the Funnel Web Spider. They finally track one down but struggle to lure the creature out of hiding. Plus and episode recap. Bushwhacked! is a...
Australian Children's Television Foundation
Saltwater Crocodiles Battle for Territory
Season 1, Cassowary part 2. Brandon and Kayne trek through the mangrove in search of the Cassowary but quickly realize they have crossed into the territory of the Saltwater Crocodile. They witness a territory battle between a male and...
Curated Video
You First iPhone Application
In this video, we will be exploring the exciting world of iPhone app development. If you've ever wanted to create your own app but didn't know where to start, this is the perfect place for you. We will be walking you through the process...
Australian Children's Television Foundation
Fourth Mission: Spot a Highly Endangered Cassowary
Season 1, Cassowary part 1. Brandon challenges Kayne to track down an elusive cassowary, one of Australia’s rarest birds. A local with deep, ancestral ties to the region teaches the pair about the birds and what they like to eat....
Flipping Physics
Gauss's Law - Charged Sphere Electric Field
This video shows how to prove that the electric field outside a uniformly charged sphere is the same as if the charged sphere were a point particle. Using Gauss' law, the electric field is shown to be constant and dependent only on the...
Curated Video
Sword Town
People power, what's happening in Japan, gadgets, keeping it simple, an animal's kingdom
Curated Video
Olympic tourists: favelas are safe place to stay
Despite several embassies in Brazil advising their citizens not to visit Rio de Janeiro favelas, many foreigners in town for the Olympics are choosing to stay in hostels inside these areas. There are more than 100 favelas in Rio de...
Flipping Physics
Conservative Force and Potential Energy
The equation which relates a conservative force to potential energy is derived. Examples are shown which prove the equation to be correct. An example is worked through and a gravitational comparison is made. Want Lecture Notes?...
Visual Learning Systems
Understanding Organisms, Populations, and Communities
This video provides a basic understanding of the different levels of organization in nature, starting from individual organisms to populations, communities, and ecosystems. This video is part of the 9-part series, Ecology Fundamentals.