In this video Paul Andersen explains how contour lines show areas of equal elevation or equal gravitational potential. Contour lines are used as an analogy for lines of equipotential in electric fields.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on scale mechanisms within complex systems.

T
ERMS:
Cause and effect relationships - one event that gives rise to ano
ther event
Complex systems - a...

We’ve spent most of this series talking about computers. Which makes sense - this is Crash Course COMPUTER SCIENCE after all. But at their core computers are tools employed by humans and humans are pretty complicated. So today, we’re...

In this video Paul Andersen explains how object interactions can add or remove mass or energy from a system.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on thinking in scale.


TERMS
Phenomena - observable events in the natural world (require exp
lanations)
Time - an irreversible s
eries of...

Announcement for the results of the first Summer of Math Exposition

In this video Paul Andersen shows conceptual thinking in a mini-lesson on causal relationships.

T
ERMS:
Cause - a thing that gives rise t
o an event
Ef
fect - an event
Relationship - interconnection betwe
en parts of...

Could we use the energy from light and sound to detect disease? TED Fellow Lei Li shares the exciting promise of photoacoustic imaging: an affordable, painless and accurate method of converting light into sound in order to create...

Today on SciShow News we talk about a new research effort that is aiming to revolutionize how we treat disease. We also discuss the video where Boston Dynamics shows off it's new version of the Atlas robot by using a hockey stick to mess...

Some dogs just seem to love watching TV. But are they really watching what we see?

This joke video is about how Internet Service Providers (aka ISPs, internet companies, telecommunications companies, etc) violate the basic axioms of Zermelo-Fraenkel set theory. Like the axiom of choice (sometimes Well-ordering...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on causal patterns at varying scale.


TERMS
Patterns - regularity in
the world
Scale - the relative size or exte
nt of something
System - a set...

Paul Andersen explains how populations experience exponential. He begins by address the major players; N (population size) and r (growth rate). He models population growth in rabbits through four generations. He then shows you how to...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on describing scale.


TERMS
Scale - the relative size or extent of
something
Objects - a material thing that can be s
een and touched
Phenomena...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on causation and correlation.

T
ERMS:
Relationships - interconnection between parts o
f a system
- Causal - cause-and-effec
t relationships
-...

There's evidence that antioxidant-rich diets have health benefits in humans, but the antioxidant chemicals and enzymes seem to be only part of the puzzle.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on cause, mechanism and effect.

T
ERMS:
Cause - a thing that gives rise t
o an event
Ef
fect - an event
Mechanism - the process und
erlying a...

Kevin Allocca is YouTube's Head of Culture & Trends, and he has deep thoughts about silly web video. In this talk from TEDYouth, he shares the 4 reasons a video goes viral.

Hank responds to viewer questions, and explains what the Higgs boson particle actually IS.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on simulating systems.

T
ERMS:
Simulations - imitation of a situation
or process
Interactions - reciprocal (two-way) acti
on or...

A simple Q&A

A clever mechanical proof of Snell's law.

The animated GIF has had a long and fascinating history, but the GIF took a giant leap forward this year when it became part of the 2012 Presidential Election!!! This election season, GIFs of Obama, Romney, Biden and Ryan, populated not...

Each of our bodies is utterly unique, which is a lovely thought until it comes to treating an illness -- when every body reacts differently, often unpredictably, to standard treatment. Tissue engineer Nina Tandon talks about a possible...