OpenStax
Open Stax: Physics: Centripetal Acceleration
In the following interactive students will begin to establish the expression for centripetal acceleration and explain the centrifuge.
Wikimedia
Wikipedia: Centrifuge
Wikipedia provides detailed information and history on centrifuges in scientific research and industry, including its importance in making nuclear weapons.
Nobel Media AB
The Nobel Prize: The Cell and Its Organelles
Comic book summary of the work of three Nobel laureates credited with devising the means for close inspection of cell organelles. With an accompanying game that tests players' knowledge of the functions of organelles.