Emily Profile Topics Started Replies Created Engagements Favorites Forum Topics Started Viewing 2 topics - 1 through 2 (of 2 total) Topic Voices Posts Last Post High Voltage/Current Started by: Emily in: Lesson C-13. Electricity I: Electric Circuits, Switches, Conductors and Non-Conductors 2 2 9 months, 1 week ago Bernard Nebel Sundial at the Equator Started by: Emily in: Lesson D-5. Time and the Earth’s Turning 2 4 3 years, 8 months ago Bernard Nebel Viewing 2 topics - 1 through 2 (of 2 total)