Genetics is the simple answer to why chickens lay different-colored eggs. Some chickens lay white shell eggs and some lay brown shell eggs, similar to the way hair color varies in people.
Archives: Blue Sky
How do temperature and wind affect traffic noise?
In terms of temperature, sound waves move faster in warm air and slower in cold air. So as sound moves through the atmosphere, some parts of the wave will be moving faster than the rest.
How do we make robots?
Imagine building a robot in three stages.
How does a 3D printer make color?
3D printing involves making an object layer by layer. There are many 3D printing techniques, and they all differ in how each layer is constructed. Each type of printer has a different opportunity or mechanism for adding color.
What is a solar flare?
A solar flare is a release of magnetic energy from the sun. The energy is stored as a magnetic field around the sun, and then it is released with energetic particles and waves coming from the solar surface.