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YouTube / IBM

How IBM Watson Learns

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YouTube / IBM

Most of us know IBM's Watson computing system from its breakout performance on Jeopardy! a few years back; I covered that earlier today.

But Watson is significant not because it can win at Jeopardy! -- it's significant because it embodies a fundamental shift in how humans interact with computer systems. The new model is that we ask questions, Watson makes connections based on its ability to understand human language, and then it suggests possible answers...along with showing its work.

The fact that we can see the work behind Watson's answers is critically important -- that's not something you get from a simpler system like a search engine. Most interesting is that, because a human selects from among the best answers, humans can teach Watson in a positive feedback loop. Watson can even ask clarifying questions, allowing it to learn yet more about the world, and improving future performance. Watson works in tandem with humans, and sometimes the top answer is not the most useful to us -- it's the second, third, or fourth answer that may hold the key for a rare medical diagnosis, or an obscure connection. By deploying Watson in health care, IBM is helping doctors explore and improve medical care. Let's take a peek inside the IBM Watson Solutions Lab:

IBM calls Watson a "Learning System," and suggests it's the way we will interact with big data in the future. It's an intriguing notion, and it feels right to me. Especially when we talk about applications like health care, the ability for a human to help teach the computer is crucial. Got three and a half minutes to dig into how Watson learns? Watch this video.

If that piqued your interest, here's Manoj Saxena in a longer TEDx talk adding more context, including the tidbit that IBM is training Watson thoroughly enough that it's "within striking distance" of passing the U.S. Medical Licensing Exam (!):

I'll be digging deeper into Watson later today -- stay tuned for more Watson goodness.

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Opening Ceremony
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These $425 Jeans Can Turn Into Jorts
May 19, 2017
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Opening Ceremony

Modular clothing used to consist of something simple, like a reversible jacket. Today, it’s a $425 pair of detachable jeans.

Apparel retailer Opening Ceremony recently debuted a pair of “2 in 1 Y/Project” trousers that look fairly peculiar. The legs are held to the crotch by a pair of loops, creating a disjointed C-3PO effect. Undo the loops and you can now remove the legs entirely, leaving a pair of jean shorts in their wake. The result goes from this:

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Opening Ceremony

To this:

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Opening Ceremony

The company also offers a slightly different cut with button tabs in black for $460. If these aren’t audacious enough for you, the Y/Project line includes jumpsuits with removable legs and garter-equipped jeans.

[h/t Mashable]

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This First-Grade Math Problem Is Stumping the Internet
May 17, 2017
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iStock

If you’ve ever fantasized about how much easier life would be if you could go back to elementary school, this math problem may give you second thoughts. The question first appeared on a web forum, Mashable reports, and after recently resurfacing, it’s been perplexing adults across social media.

According to the original poster AlmondShell, the bonus question was given to primary one, or first grade students, in Singapore. It instructs readers to “study the number pattern” and “fill in the missing numbers.” The puzzle, which comprises five numbers and four empty circles waiting to be filled in, comes with no further explanation.

Some forum members commented with their best guesses, while others expressed disbelief that this was a question on a kid’s exam. Commenter karrotguy illustrates one possible answer: Instead of looking for complex math equations, they saw that the figure in the middle circle (three) equals the amount of double-digit numbers in the surrounding quadrants (18, 10, 12). They filled out the puzzle accordingly.

A similar problem can be found on the blog of math enthusiast G.R. Burgin. His solution, which uses simple algebra, gets a little more complicated.

The math tests given to 6- and 7-year-olds in other parts of the world aren’t much easier. If your brain isn’t too worn out after the last one, check out this maddening problem involving trains assigned to students in the UK.

[h/t Mashable]

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