Space travel coming soon, thin speakers, unsend texts

Have a printer at home? Follow these five critical security steps to keep hackers out. Plus, new smart screws detect when they’re loose, MIT researchers build ultra-thin speakers, 3 gotchas about unsending text messages, encryption 101 and all you need to know about Spaceship Neptune, a space travel capsule that costs $125,000 per ticket.

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Learn more about your ad choices. Visit megaphone.fm/adchoices