Episode: 2897 A (Very) Short History of Privacy and Technology.  Today, privacy and technology.

Episode: 2779 Smartphones/Wise Phones, our changing relationship with phones over the last century. Today, smartphones vs. wise phones.

Episode: 1165 Benjamin Thompson/Count Rumford and the conservation of energy. Today, we meet a Bavarian count who was born in colonial Massachusetts.

Episode: 1164 Why Things Bite Back: The Revenge Effect. Today, nature takes revenge.

Episode: 1163 To build a better mousetrap -- that people will use. Today, let's build a better mousetrap.

Episode: 1162 Systems: Much more than the sum of their parts. Today, let's see how machines transcend themselves.

Episode: 1979 How to process five thousand airline reservation requests in one second. Today, guest scientist Andrew Boyd buys plane tickets.

Episode: 3001 Archimedes to the Rescue. Today, Archimedes to the rescue.

Episode: 2739 Evolution of the Hall from Anglo-Saxon times to the present. Today, a room without a view.

Episode: 1161 An old Roman mill tells about the acceptance of technology. Today, we try to make sense of an old Roman power plant.