Build Your Own Radio Telescope to Listen to Meteors
Even if it’s cloudy or you can’t get outside at night, you can still listen to the Perseid meteor shower using a simple FM radio setup or by building a radio telescope at home.
The Heat Is On: Mating Pandemonium in African Forest Elephants
A researcher uses thermal imaging to study elephant mating behavior.
22:37
Tapping Into Musical Memory
A new documentary, “Alive Inside,” exposes the connections between music and memory.
Balloon Rockets
In this lesson from the Chemical Educational Foundation, apply the concepts of pressure and Newton’s laws of motion to build balloon rockets.
11:45
New Online Tracking Tool Evades Privacy Settings
A new online tracker is snooping on visitors to over 5,600 popular sites—and it’s nearly impossible to block.
20:51
Fashioning The Future
A scientist and a designer imagine fashion’s high-tech future.
5:49
Smarty Pants: Testing the Quality of Textiles
Confidence in how well our garments suit us shouldn’t be taken for granted—we owe much to textile quality assurance.
Fashion Circuit
Add some pizzazz to your favorite clothing and accessories using some wire, tape, a battery, and an LED.
The ABCs of 3D
Makerbot’s Bre Pettis explains what you need to know to try your own 3D printing.
11:52
Ben Franklin: Sonic Explorer
Ben Franklin’s sonic experiments included inventing a new musical instrument and testing the limits of the human voice.