In his new book Safe Is Not An Option, space technology consultant, tech entrepreneur, and PopMech contributor Rand Simberg says risk aversion is holding us back from achieving amazing feats in spaceflight.
About 250 light-years away in the constellation Capricornus (The Sea Goat) lies a star that looks awfully familiar. Known as HIP 102152, the star is a virtual twin of our sun, which in and of itself is
When it comes to heavy-duty cleanup, the trusty shop vacuum is the go-to tool. We put six to work, letting them compete head-to-head in a race to pick up 15 pounds of sawdust mixed with nuts and bolts.