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Skeptical U.S. lawmakers grill TikTok CEO over safety

U.S. lawmakers grilled the CEO of TikTok over data security and harmful content Thursday, responding skeptically during a tense committee hearing to his assurances that the hugely popular video-sharing app prioritizes user safety and should not be banned.

The TikTok logo is seen on a mobile phone in front of a computer screen which displays the TikTok home screen, Saturday, March 18, 2023, in Boston. (AP Photo/Michael Dwyer, File)

Launch debut of 3D-printed rocket ends in failure, no orbit

A rocket made almost entirely of 3D-printed parts made its launch debut Wednesday night, lifting off amid fanfare but failing three minutes into flight -- far short of orbit. There was nothing aboard Relativity Space's test flight except for the company's first metal 3D print made six years ago.

Spectators at Jetty Park in Cape Canaveral, Fla., watch as Terran I, a 3D-printed rocket by Relativity Space, lifts off from Cape Canaveral Space Force Station late Wednesday, March 22, 2023. (Craig Bailey/Florida Today via AP)