It’s fireworks time! Skylighter.com has a recipe for a more powerful version of those balls that bang when you knock them together. You paint smooth rocks with a mixture that contains powdered glass, potassium chlorate, and sulfur (all disclaimers in place). Then let dry. Drop or throw the rocks, and they’ll “bounce” repeatedly with a loud explosion each time.
Link (scroll down to middle of page).
What will the next generation of Make: look like? We’re inviting you to shape the future by investing in Make:. By becoming an investor, you help decide what’s next. The future of Make: is in your hands. Learn More.
Paul Spinrad is a broad-spectrum enthusiast, writer, maker, and dad who lives in San Francisco. He hatches schemes at http://investian.com.
View more articles by Paul Spinrad ADVERTISEMENT
Related Articles from Make:
