Are you teaching Technical English to science students and can’t make videos yourself? Here is one simple idea and some links that will help you make your lessons more interesting.
Some years ago the University of Nottingham came up with a great idea to make complicated topics in chemistry, biology, math and physics easier to understand for everyone. Brady Haran, a journalist, interviews Professors who show experiments and explain reactions. Their videos are a hit on Youtube and have been an inspiration for my lessons at University.