A touchscreen voting machine in Sandy Springs, Ga., during the primary election in May 2018. As the midterm congressional primaries heat up amid warnings of Russian hacking, about 1 in 5 Americans will be casting their ballots on machines that do not produce a paper record of their votes.
Model 3 sedans sit on display outside a Tesla showroom. For California to reach its ambitious climate change goals, every vehicle sold by 2040 in the state will have to be a zero-emissions vehicle.
Jeff Williams, Apple's chief operating officer, speaks about the new Apple Watch Series 4 at the company's product-launch event in Cupertino, Calif., on Wednesday. The new Watch includes a sensor allowing users to take an electrocardiogram they can share with their doctor.
An election official holds an electronic voting machine memory card following the Georgia primary runoff elections at a polling location in Atlanta on July 24, 2018. A group of Georgia voters is suing the state, saying that the electronic machines are not secure.
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A nearly 2,000-foot-long tube is towed offshore from San Francisco Bay on Saturday. It's a giant garbage collector and the brainchild of 24-year-old Boyan Slat, who aims to remove 90 percent of ocean plastic by 2040.
The Ocean Cleanup
Health workers form a human chain reading "SOS" during a protest for the lack of medicines, medical supplies and poor conditions in hospitals, in Caracas on Aug. 2.
Federico Parra/AFP/Getty Images
A support vessel is seen next to a massive wind turbine at the Walney Extension offshore wind farm operated by the Orsted energy company off Britain's west coast on Sept. 5.