All Tech Considered

A DIYgirls team from San Fernando Senior High School created a device that uses solar power to sanitize a tent using antibacterial UV lights. Courtesy of DIYGirls hide caption

Notarize is one of the apps and websites that connect people to a notary who can notarize documents remotely. Courtesy of Notarize hide caption

Inventor Thomas Edison stands in his chemistry lab in West Orange, N.J., in 1904. Thomas Edison National Historical Park/National Park Service hide caption

Artist and flipbooked.com founder Liza Tudor thumbs through "1st Steps," a flipbook of Nicole Garrens' son Zander's first steps. Tudor sent the flipbook to Garrens' husband, Roy, who's currently incarcerated in Texas. Noel Black for NPR hide caption

David Giovannoni uses a reproduction of Scott's phonautograph. Giovannoni is part of the team that recovered the audio from Scott's recordings. Art Silverman/NPR hide caption

John Goodenough's work led to the lithium-ion battery, now found in everything from phones to electric cars. He and fellow researchers at the University of Texas, Austin say they've come up with a faster-charging alternative. Gabriel Cristóver Pérez/KUT hide caption

An American black bear (they are often brown) is seen in Yosemite National Park. Rangers hope tracking the bears' locations will help prevent the animals from being hit by cars. Yosemite National Park via AP hide caption

Code for America founder and Executive Director Jennifer Pahlka speaks Nov. 10 at The New York Times DealBook Conference at Lincoln Center in New York City. Bryan Bedder/Getty Images for The New York Ti hide caption

Carmen Aguilar y Wedge is the co-founder and director of creative technology for Hyphen-Labs. She modeled the company's ScatterViz visor at the Sundance Film Festival in January. Nina Gregory/NPR hide caption