Do agrofuels produce the same amount of energy as nonrenewable fuels? In the "Burning Biofuels: Comparing Nonrenewable and Renewable Fuels" energy - students use vegetable oil and motor oil to explore.
Quarks are elementary particles and a fundamental constituent of matter. They combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the components of atomic nuclei.
Science made fun is the best kind of science for many of us. This pool ball pendulum-like device created by an IU physics student to demonstrate wave properties certainly qualifies. Photo by Mark Land.