CoolStuff Blog

Physics of a Diamagnetic Hover Board
Physics of a Diamagnetic Hover Board
Small scale models which levitate diamagnetic materials such as this haven't existed for the classroom, until now! It is only recently, with the creation of artificial neodymium magnets and artificial pyrolytic graphite, the effects can finally be easily demonstrated. View...
Simple Model of How the Sky Changes Color at Sunset
Simple Model of How the Sky Changes Color at Sunset

Subscribe to the CoolStuff Newsletter and get notified when our next blog is released. Please Note: The featured product in this video and blog post, Sunset Egg, is no longer carried. Please reference our related products below. Related Products Simple...

Fun and Engaging Activities Using the Energy Stick
Fun and Engaging Activities Using the Energy Stick
The Energy Stick is a cool and easy way to demonstrate many of the principles of electric current and light. Here are a variety of fun and engaging experiments using the Energy Stick.
Liquid Crystal Sheet Demos
Liquid Crystal Sheet Demos
Safely demonstrating the principles and properties of heat can sometimes be a risky proposition. But it doesn't have to be. Use the safe, simple, and inexpensive Liquid Crystal Sheet to visually display some very cool things about heat we usually...
See Energy Transformation with a Thermal Camera or Steel Spheres
See Energy Transformation with a Thermal Camera or Steel Spheres

Subscribe to the CoolStuff Newsletter and get notified when our next blog is released. Featured Products See Energy Transformation You can calculate the thermal energy created when the ball hit the bat by using the Law of Conservation of Energy....

Doing the Wave: Connecting Physics to Baseball
Doing the Wave: Connecting Physics to Baseball
Ever heard the crack of a bat when a hitter launches a home run? Well, there’s a wave that’s responsible for that sound. Watch this video to learn how waves are an integral part of baseball.
Help Students Reach the Ultimate Form Of Scientific Inquiry
Help Students Reach the Ultimate Form Of Scientific Inquiry

Back to School Means Back to STEM The Next Generation Science Standards (http://www.nextgenscience.org/next-generation-science-standards) identifies eight practices of science and engineering as essential for all students to learn. These are: Asking questions (for science) and defining problems (for engineering) Developing and...

The Importance of the Best Fit Line
The Importance of the Best Fit Line
The Best Fit Line Ruler takes the guesswork out of determining the line that captures the most central points on a scatter graph. Here are some tips for graphing scientific data and some ideas and activities.
Behind the Scenes with Light and Color: 10 Great Demos
Behind the Scenes with Light and Color: 10 Great Demos
The RSpec Explorer is an innovative and versatile teaching tool for analyzing light, spectrum, and color. Here are 10 amazing experiments using the RSpec Explorer.
Measuring
Measuring "g" with the g Ball
Galileo claimed that all objects fall toward Earth with the same acceleration. Modern measurements indicate that this acceleration is about 9.8m/s². Using the g Ball, you can measure this value and compare the acceleration of other objects with different masses...
Turn Your Mobile Phone into a Mobile Microscope
Turn Your Mobile Phone into a Mobile Microscope
Can the Cell Phone Magnifier unlock why Mint Mentos are better than Fruit Mentos for making soda explode? Check out this inexpensive option for times when high-powered microscopes aren't necessary.
Kinetic Energy Into Thermal Energy
Kinetic Energy Into Thermal Energy
One of the most important concepts in physics is the principle of energy conservation, especially the idea that energy can change forms and be transferred from one object to another. Here are three different ways to demonstrate the conversion of...