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Christopher Null

Reporter · US

Indexed articles, last 90 days
4
Latest publication
Aug 20, 2026
Outlet visibility, for Wired
Top 50K sites
Earliest in this view
Jul 11, 2026
The latest indexed work is over 30 days old. There may be a gap in what we hold.

Latest articles

  1. Article · Aug 20, 2026 · Christopher Null

    This $110 Pool Robot Is Cheap for a Reason (opens the original)

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    The market is stuffed to the gills with pool-scrubbing robots that cost thousands of dollars, and consumers are well justified in worrying whether that level of expense will ultimately be worthwhile. But there’s also a subset of pool robots that go the other way—much simpler devices that cost well under $500, sometimes much less. It’s here where we find the Poolease X1, a pint-sized robot that can be yours for barely over 100 bucks. Can it possibly be any good? I’ve tested robots along these lin

  2. Article · Aug 14, 2026 · Christopher Null

    I Wore an Electrical Muscle Stimulation Body Suit to Zap Myself Into Fitness (opens the original)

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    The use of electrical muscle stimulation as a shortcut to improving physical fitness was first commercialized sometime in the early 19th century, and while EMS has waxed and waned in popularity over the years, it’s never gone away. Today it is widely used across rehabilitative medical applications but also to boost strength and stamina. The promise is simple: Stimulate the muscles with pulses of electricity while you’re working out and you can create thousands of muscle contractions in a short a

  3. Article · Jul 13, 2026 · Christopher Null

    I Turned My Backyard Pool Into a Lap Pool (Sort Of) (opens the original)

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    I’m the first to admit that a swimming pool is a pretty frivolous thing to have, though it sure seems essential in the thick of sweltering Texas summers. Swimming pools arguably offer their greatest value, however, when used for exercise, as swimming is widely considered one of the best forms of cardio around. The catch is that lap swimming for exercise requires a far longer pool than most yards can accommodate, reducing the typical backyard pool to a place for kids to splash around in and for g

  4. Article · Jul 11, 2026 · Christopher Null

    This Pool Robot Cleans the Pool—and Then Cleans Itself (opens the original)

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    So, you’ve taken the leap and invested in a pool robot. The robot cleans the pool. But then, who cleans the robot? Surprise! You do. That’s the calculus that has saddled pool-cleaning robots since the beginning, and it’s an awfully tough one to wriggle away from. Just like your terrestrial vacuum cleaner, all that debris has to end up somewhere. With pool robots, that invariably involves an onboard filter that requires your attention each time you retrieve the device. But what if you didn’t have

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