Exploding Hollow Concrete Spheres!!
How Temperature Caused a Hollow Sphere Project to Literally Blow Up!
I received an email from Sue, who wanted to share with me this rather interesting bit of info:
You are my hero! I’ve been after the instructions on duplicating Little & Lewis spheres for a year!
I did some on my own and they exploded on my driveway (cold ball from house, 90 degree day= mess.) I just had to tell you about this recent disaster – maybe others can learn from this. Continue reading






