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Wayne Radinsky
18,698 followers -
Software Design Engineer
Software Design Engineer

18,698 followers
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Japan's robot hotel lays off half the... robots. "Two velociraptor robots positioned at check-in were decommissioned because human workers essentially had to do their jobs for them and photocopy guests' passports manually."

"Two robot luggage carriers could only reach about 24 of the over 100 rooms in the hotel and failed in rain or snow. They would also often get stuck trying to pass by each other."

"The hotel's main concierge robot also didn't know how to answer questions about flight schedules and nearby tourist attractions. It has since been replaced by a human."
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Before humans were hunters, humans were prey. Fossils initially thought to indicate human ancestors were hunters were, on closer examination, found to have signs they were eaten by predators.
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Neural Differential Equations as explained by Siraj Raval. The Neural Ordinary Differential Equations system was applied to time series data where it outperformed recurrent neural networks including residual networks. The network is a continuous function instead of discrete and instead of specifying the number of layers, you specify the desired accuracy. Instead of gradient descent you use ordinary differential equation solvers. Residual networks can be deeper because they avoid vanishing gradients by feeding the input as well as the output of the previous layer to the next layer. For MNIST they replaced 6 residual network blocks with 1 ODEBlock. With the adjoint method, instead of Euler's method, the ODE version of the neural network can be found efficiently.
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"So you automated your coworkers out of a job." "She was enthusiastic about 3D printing, so a manager there soon asked her to use the technology to streamline an older mold-making process. That meant studying up with the man then in charge of the process, whom I'll call Gary. It soon dawned on both of them that if her project succeeded, Gary would be out of a job."

"'As he described the process and his role in it, I realized that making molds was Gary's sole responsibility. He had spent over 30 years perfecting these tools and parts.' This was his life's work."
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"Elon Musk told the world in late 2017 that Tesla was taking its automotive know-how and applying it to a totally new challenge: self-driving big rigs. But one year later, he placed the Tesla Semi fourth on a list of priorities for the company, behind the upcoming Model Y compact SUV and an electric pickup truck. This week, Daimler executed a move many years in the making by announcing its own big rig (albeit diesel-powered) outfitted with semi-autonomous technology."

"The German automaker also committed to manufacturing the truck this summer, with deliveries scheduled for later this year. It pledged 500 million euros over the next few years to the continued development of an autonomous big rig, and said it has hired hundreds of employees to move the tech forward."
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AI that sounds like Obama, from the same guy who brought us the AI that sounds like Trump. Still not quite good enough to fool people into thinking it's a real person, but getting close. Based on Google's Tacotron text-to-speech model.
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"Technology for giant farms is all about increasing yields and cutting costs. For smaller farms, too, efficiency is paramount. But technology can also eliminate a lot of tedious, routine labor -- a lifestyle payoff that can help persuade a younger generation to stay put on family farms rather than sell out."

"Smaller farms typically raise specialty crops on limited acreage. Specialty farming requires a scaled-down approach, like the small robots being developed for Rivendale by scientists at nearby Carnegie Mellon University and the expanding array of equipment from the 'slow tools' movement, a group of farmers and engineers designing affordable tools for small farms."

"Walk into the dairy barn at Rivendale and there are no people -- only cows, an automated feed system and three robotic milking machines."
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"This algorithm browses Wikipedia to auto-generate textbooks." "The researchers began by identifying a set of existing Wikibooks that can act as a training data set."

"The team then divided the task of creating a Wikibook into several parts, each of which requires a different machine-learning skill. The task begins with a title generated by a human, describing a concept of some kind, such as Machine Learning -- The Complete Guide."

"The first task is to sort through the entire set of Wikipedia articles to determine which are relevant enough to include."

"The next step is to organize the articles into chapters."

"The final step is to determine the order in which the articles should appear in each chapter."
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"A large international team obtained skin cells from eight autistic people and five controls. These were converted into stem cells and then induced to develop along a pathway that leads to brain-like neurons. This pathway includes an intermediate step, called a neural stem cell, in which the cells are committed to developing as nerve cells but haven't adopted a mature, specialized nerve cell identity."

"The researchers performed a computational analysis to identify groups of genes that were active at specific steps. This identified three distinct groups of genes (which they termed 'modules') that defined distinct stages of the developmental process. You can think of these stages as pre-neuron, neural stem cell, and maturing neuron."

"When these modules were compared in cells from autistic individuals and controls, there weren't many differences in the two that marked later stages of development. The earliest active module, however, appeared to be active on an accelerated schedule in the cells that came from autistic individuals."
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