Science Experience the Voyager Golden Record at San Francisco's Exploratorium, August 3 David Pescovitz

Good Deed Corps hosts discussion with legendary journalist David Felton, and best-seller Mary Roach Jason Weisberger

art Curious spinning wheel of feet made to test shoes in 1933 Popkin

pneumatics Unlock the mysteries of pneumatic components with inventor's whimsical & ingenious mechanical clock automaton Bob Knetzger

music The Wave Organ is an ocean-powered instrument in San Francisco Popkin

makers I can't wait for Tim Hunkin's "The Secret Life of Components" video series Mark Frauenfelder

happy mutants Check out Money Mark's fantastic daily musical experiments! David Pescovitz

art Inflatable delights abound at the Exploratorium in San Francisco Andrea James

NASA How to decode the images on the Voyager Golden Record Ron Barry

cool stuff Recomendo newsletter: Free books, the Exploratorium, and more Mark Frauenfelder

Science Pesco speaking at big free conference about space in San Francisco next week David Pescovitz

tools Sound artist Meara O'Reilly describes four favorite tools Mark Frauenfelder

family How to make cool copper wire tiaras with LEDs Mark Frauenfelder

Amazing optical illusions: Einstein or Marilyn? Thatcher or Blair? David Pescovitz

gift guide Father's Day Gift Guide Rob Beschizza