TeachEngineering
Teach Engineering: Superhydrophobicity: The Lotus Effect
Students are introduced to superhydrophobic surfaces and the "lotus effect." Water spilled on a superhydrophobic surface does not wet the surface, but simply rolls off. Additionally, as water moves across the superhydrophobic surface, it...
Environmental Education for Kids
Eek!: Wetland Plants
Some wetland plants grow completely underwater, others grow partly submerged, and some grow in places were the ground is often wet. Learn about a variety of wetland plants in Wisconsin.
Curated OER
Eternal Egypt: Standing Statuette of Hapi
This statuette portrays Hapi as a man with full breasts symbolizing the nurturing aspects of the river. He wears papyrus and lotus plants as a headdress and a false beard.