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Cabinet of Wonders
Discovered by a Washington, DC lawyer in search of antique furniture, this is truly a Cabinet of Wonders, for inside is the 1700-specimen personal collection of 19th Century British naturalist,...
Discovered by a Washington, DC lawyer in search of antique furniture, this is truly a Cabinet of Wonders, for inside is the 1700-specimen personal collection of 19th Century British naturalist,...
23 views since Feb 7, 2012 10:32
CHALK TALK: TRAGEDY OF THE COMMONS PART 2
The tragedy of the commons says that self interest and competition can cause people to ruin a shared resource. If people ruin what they share, sometimes the best avenue is to have them not share....
The tragedy of the commons says that self interest and competition can cause people to ruin a shared resource. If people ruin what they share, sometimes the best avenue is to have them not share....
62 views since Jan 31, 2012 10:23
Virus Evolution
Researchers at Michigan State University demonstrate how a new virus evolves, shedding light on how easy it can be for diseases to gain dangerous mutations.
Researchers at Michigan State University demonstrate how a new virus evolves, shedding light on how easy it can be for diseases to gain dangerous mutations.
73 views since Jan 31, 2012 07:53
CHALK TALK: INFRARED
Infrared can be divided into three separate categories – near, mid, and far, and even though we can’t see it, in some cases we can detect it. Many things, including people and planets, emit...
Infrared can be divided into three separate categories – near, mid, and far, and even though we can’t see it, in some cases we can detect it. Many things, including people and planets, emit...
93 views since Dec 8, 2011 09:50
CHALK TALK: BINARY
A binary system of numbers is one that is composed only of ones and zeros. It was the system of choice for people who developed early computers--they needed a reliable way to get information across...
A binary system of numbers is one that is composed only of ones and zeros. It was the system of choice for people who developed early computers--they needed a reliable way to get information across...
56 views since Dec 8, 2011 09:42
CHALK TALK: TRAGEDY OF THE COMMONS PART 1
The tragedy of the commons is a dilemma that developes when a group holds a limited resource in common. If each person acts rationally in his or her own self interest often the resource will be...
The tragedy of the commons is a dilemma that developes when a group holds a limited resource in common. If each person acts rationally in his or her own self interest often the resource will be...
109 views since Dec 8, 2011 09:18
CHALK TALK: LIQUID CRYSTALS
Liquid crystals are a kind of matter that exists somewhere between a liquid and a solid. We can control the order of the liquid crystals used in liquid crystal displays with electricity. Think of...
Liquid crystals are a kind of matter that exists somewhere between a liquid and a solid. We can control the order of the liquid crystals used in liquid crystal displays with electricity. Think of...
50 views since Dec 8, 2011 08:04
CHALK TALK: LARGE HADRON COLLIDER
The Large Hadron Collider (LHC) is the world's largest and highest-energy particle accelerator. It is expected to address some of the most fundamental questions of physics, advancing the...
The Large Hadron Collider (LHC) is the world's largest and highest-energy particle accelerator. It is expected to address some of the most fundamental questions of physics, advancing the...
61 views since Dec 8, 2011 07:53
CHALK TALK: ELECTROMAGNETIC SPECTRUM
The electromagnetic spectrum is the range of all possible wavelengths of energy, including the visible light that makes plants grow, and the infrared that your remote control uses to command your...
The electromagnetic spectrum is the range of all possible wavelengths of energy, including the visible light that makes plants grow, and the infrared that your remote control uses to command your...
69 views since Dec 8, 2011 07:24
CHALK TALK: ELECTROMAGNETIC RADIATION
Electromagnetic radiation (ER) is a form of energy, and it acts like a wave as it moves at the speed of light--it’s how energy from the sun reaches Earth. ER is classified by frequency—how many...
Electromagnetic radiation (ER) is a form of energy, and it acts like a wave as it moves at the speed of light--it’s how energy from the sun reaches Earth. ER is classified by frequency—how many...
51 views since Dec 8, 2011 07:02
