Radio telescopes have really crummy resolution.but if we line them up and hook them together, 

using a technique called "radio interferometry" 

we can see the head of a screw 300 km away.

This episode, our guest is Ben Acker, one of the authors of "the thrilling adventure hour". amazing!

Our Physicists are Rupinder Brar and Sabrina Stierwalt!

exciting!