Any camping tent will provide shelter, but headroom? Not so much. NEMO Equipment's Wagontop 4P affords 6.5 feet of vertical space. Go ahead: Stand tall. $450. NEMO Equipment
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Echo’s latest hedge trimmer packs a powerful 58-volt lithium-ion battery. What’s more, it’s the first with anti-jam technology. When the blade senses snags, it reverses itself to clear debris. $269

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In her debut graphic novel, Sydney Padua imagines what might have happened if inventor Charles Babbage and Ada Lovelace (the first programmer) had actually built the first computer, which they conceived of in the early 1800s but never created. $29

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If the name didn’t give it away, Seagate’s new 500GB hard disk drive is just 7 millimeters thick. It draws power from a USB port (over a USB 3.0 cable), making external power sources unnecessary. $99 >Correction 04/06/2015: An earlier version of this article called the Seagate Seven a solid state drive, which is incorrect. We regret the error.

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Any camping tent will provide shelter, but headroom? Not so much. NEMO Equipment’s Wagontop 4P affords 6.5 feet of vertical space. Go ahead: Stand tall. $450

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Bitdefender’s BOX protects your smart home devices from hackers. It plugs into a router and protects connected devices at the network level. That way you don’t have to download separate antivirus software for each operating system. $199

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National Geographic is turning cosmologist Neil deGrasse Tyson’s radio program of the same name into a late-night talk show. Filmed in front of a live studio audience, Tyson continues the conversation about extraterrestrial life and space travel. April 20

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What has a USB port, a color screen, a battery that lasts for months, and brain enough to help you ace your math homework? The TI-84 Plus CE is Texas Instruments’ first new graphing calculator in years. It’s proof that even legends can get better. Price not set

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Chaim Gingold—who worked on the game Spore—is turning digital textbooks into games. With the iPad app, users create glacial flows, sand dunes, and islands and in the process learn how forces shape the planet. $10

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Rechargeable batteries keep waste from piling up in landfills. But if that isn’t your style, Energizer’s new alkaline AA battery is made from 4 percent recycled battery material by weight and is the company’s highest performing. $5 for 4

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Not only is this tablet 6 millimeters slim, it also includes Intel’s RealSense Snapshot Technology, which uses depth mapping and three camera lenses. It also allows users to take virtual measurements and refocus images after they take them. Plus, it’s strong. Trust us, we tried our best to break it. From $399
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