You Think You Know Grades? Here’s How They Really Work
When you grade on a curve, you make assumptions about the student population. When you don’t, you make an assumption…
Let’s Study Air Resistance—With Coffee Filters
Here’s an experiment you can do at home to measure the drag coefficient for a falling object. The post Let’s…
Sure, Atlanta Can Fix Its Freeway—or Build a Ramp to Jump It
A section of I-85 in Atlanta collapsed and will take months to repair. Here is my idea to fix the…
Yes, Spider-Man Can Jump 6 Meters Onto a Moving Ferry. Physics Says So
Let’s do some video analysis (homework included). The post Yes, Spider-Man Can Jump 6 Meters Onto a Moving Ferry. Physics…
In Science, You Can’t Always Get What You Want
Science experiments don’t always provide the data needed to definitively answer a question. Such is the nature of science. The…
Iron Fist Can Totally Break His Fall With a Pole. Physics Says So
In his new show, the superhero catches himself on a pole. Let’s look at the stopping force and acceleration involved.…
Got a Sock Stuck in Your Vacuum? It’s Time for Some Physics
What happens when you get a sock stuck in your vacuum cleaner? The motor sounds like it’s working harder, but…
Hey! You Can Find Pi With a Random Walk. Here’s How
Yay for pi, the hidden ninja of the physical world. The post Hey! You Can Find Pi With a Random…
Let’s Calculate Pi on a Raspberry Pi to Celebrate Pi Day
Looking for something fun to do on Pi Day? Here. Try an interactive pi calculation using the Raspberry Pi. The…
How Can These Cops Run Up a Wall on a Pole? Physics!
In this crazy video, two guys use a long pole to help another guy up a wall. Here’s the physics…