The Great Space Elevator
It's no secret that space shuttles need a vast amount of fuel to escape the pull of gravity -- but are space elevators a better alternative? In this episode, Robert and Allison explore the merits of l...
22 Jul 201023min
The Kardashev Scale
When Nicolai Kardashev began searching the universe for intelligent life, he built an energy-based scale to measure the progress of any given civilization. Tune in to discover how this scale works -- ...
20 Jul 201020min
What is the smart grid?
Think of the U.S. power grid as one gigantic (and outdated) machine. This system works relatively well, but it has a lot of drawbacks. In this episode, Robert and Allison take a look at smart grid tec...
15 Jul 201024min
Growing a Green Roof
Are you stuck in the city, sweltering under the summer heat and missing the trees and grass of the natural world? Then why not transform the nearest rooftop into a garden or a park? Tune in and learn ...
13 Jul 201024min
Prosthetic Limbs
Prosthetic limbs have been around for thousands of years, but could they eventually become superior to organic appendages? In this episode, Allison and Robert break down the latest -- and future -- de...
8 Jul 201024min
Predators, Reapers and Robotic War
We know that robots are taking over more and more tasks traditionally performed by humans -- but assembling cars isn't the same thing as waging war. In this episode, Allison and Robert explore the cur...
6 Jul 201026min
World-Changing Science Experiments: Part Two
In the second installment of Robert and Allison's two-part series on history's world-changing science experiments, your favorite science writers take a look at everything from primordial ooze to moder...
1 Jul 201016min
World-Changing Science Experiments: Part One
Science experiments aren't just for high school students. In the first installment of this special two-part series, Allison and Robert take a look at some of history's most important science experimen...
29 Jun 201017min
