Buzz Aldrin pitched a galactic currency and the White House joined Instagram. Also, Obi Wan's lightsaber IRL. Check out some of the best (and geekiest) pictures from this week -- and a few from last.
The official Instagram account for President Barack Obama's administration is here. The White House decided to break in its new account Wednesday with a photo of the Marine One helicopter taking off as the first family leaves for a trip to Africa.
A journalist takes photos of the solar panels on the world's largest solar boat, Switzerland's MS Turanor PlanetSolar, on June 18 at North Cove Marina in New York.
The solar-powered boat runs exclusively on energy from the sun and eliminates the need for fueled electricity, allowing researchers to collect uncontaminated data along the Gulf Stream with high-tech instruments that track changes in ocean currents and climate. Solar panels cover more than 5,554 square feet of the ship's surface.