Laser Eyes

When you ask your students, “How is it that light allows us to see?” What you’re really asking is: “how does information over there get over here to where I can sense it?” This may seem like an intuitive and easy to answer question, but for hundreds of years it baffled even the greatest thinkers. Aristotle, Euclid, Ptolemy, Galen and …

Discrepant Events with Light and Color

  Discrepant events occur when a student’s prior knowledge clashes with what’s happening right in front of their eyes. The wonderful moments created by the cognitive dissonance of a discrepant event is a powerful tool for developing inquiry skills. When what happens does not match students’ expectations, we can expect them to get curious pretty quickly. Discrepant events are almost always …

Are green laser pointers safe?

green laser pointer safety

Are Green Laser Pointers more dangerous than Red Laser Pointers? What makes a green laser pointer safe? Even at very low power, green laser pointers and green LASER Blox™ are significantly more visible than red laser pointers. That’s because a common green laser pointer emits a monochromatic beam at 532nm, a wavelength that is very close to 550nm—the wavelength to which the human eye …

Welcome to Laser Classroom!

Welcome to Laser Classroom, where STEM comes to Light! Whether you want to integrate STEM into an elementary, middle or high school classroom, after school programming or outreach effort, you’ll find loads of great stuff here for you and your students.