When building a model rocket, it can be fun to get into the maths of it all—calculating the expected performance of your build, and then seeing how it measures up in the real world. To aid in that ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. It took SpaceX years to successfully pull off the first vertical ...

Long before model rockets became Randy Boadway’s business, it was his hobby. Now Boadway shares that hobby with hundreds of beginners every year, both through his company, eRockets, and through the ...