In this light-hearted picture book about turtles, learn about all the different types of sounds turtles can hear, and make. Kids love shouting answers to silly questions like “Can a turtle wear earrings?” Fun facts about every kid’s favorite amphibian! Excellent for teaching STEM topics about hearing, ears and sound. Free on Kindle.
Free: Across the Trig Divide: The Book of Right Triangles
March 24, 2021 By
Intimidated by trigonometry? A few minutes with Selraybob and that will all go away. Sel and his friends take all that twisted-up mathematical gobbledygook that the physics folks sling and make it simple. You might find yourself calling your old math teachers and giving them the growly-voiced what’s what. “Hey!” you might say. “Sine’s just […]
Try: Look at Type 2 of Civilization!
June 14, 2020 By
The author starts with the hypothesis that there are extraterrestrial civilizations. He makes demomathematics the possibility of inertial traction that was largely developed by other beings in the cosmos. This major discovery is the possible future of humanity along with the generation of energy, depollution, and ethics to preserve all life on earth. He makes […]
