Olivia Block's recent compositions are a mix of music and found voices — often taken from used microcassette tapes, artifacts from the answering-machine era.
Michael Schmelling/Courtesy of the artist
"By the middle of the next decade, the cars and trucks we buy will go twice as far on a gallon of gas," Obama promised in 2013. "That means you'll have to fill up half as often; we'll all reduce carbon pollution."
Andy Raymond demonstrates the Armatix iP1, a .22-caliber smart gun that has a safety interlock, at Engage Armaments in Rockville, Md., last year.
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