Uploaded November 2025 | Updated September 2026, 3 weeks ago

---

Learn how to see invisible air currents with this amazing optical setup! Materials list and instructions on our website: sciencebuddies.org/science-fair-projects/project-ideas/Photo_p027/photography-digital-photography-video/shadowgraphs-and-schlieren-images?ytid=UTlU9_2-MKw&ytsrc=description

Excellent explanation of the physics behind Schlieren images by a physics professor from @AllThingsPhysicsYouTube : videos about schlieren images: youtu.be/GCloRHSyaGU

videos by @veritasium

youtu.be/4tgOyU34D44

youtu.be/K7pQsR8WFSo

image credits:

commons.wikimedia.org/wiki/File:Refraction_photo.png

commons.wikimedia.org/wiki/File:Refraction-with-soda-straw.jpg

commons.wikimedia.org/wiki/File:A_Highway_Mirage_%285994891327%29.jpg

commons.wikimedia.org/wiki/File:Mirage_over_a_hot_road.jpg

commons.wikimedia.org/wiki/File:Single_mirror_schlieren.svg

Science Buddies also hosts a library of instructions for over 1,500 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at sciencebuddies.org/?ytid=UTlU9_2-MKw&ytsrc=description to learn more.

#STEM #sciencebuddies
*******************************
Connect with Science Buddies:

X: https://x.com/ScienceBuddies

FACEBOOK: facebook.com/ScienceBuddies

INSTAGRAM: instagram.com/scibuddy

PINTEREST: pinterest.com/sciencebuddies