Exploring sound waves from instruments to telephones.
Bringing high tech down to earth
What does the leftover phosphorus in the soil looks like? Is it inorganic, bonded to other metals in forms plants can use, or is it mostly organic, which microbes must break down to plant-available forms? And what sources of phosphorus do plants actually rely on?
The Last Week Before Normalcy
My boyfriend is thirty. He is also kind of my best friend's boyfriend. He and I kiss, but they talk.
Nanoreactors mimicing plant cells
Mimicking plant cells to build teeny-tiny reactors.
Dinosaur Math
Using the world of dinosaurs to bring numbers to life with young learners.
CD hovercrafts
A challenge to make a CD hovercraft results in engineering troubleshooting and a simple air pressure demo.