Posts

January 13, 2015

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6:00 PM | In Brief: Charles Young's Tiny Papercraft City
Put the word miniature and papercraft together and you're going to perk my ears. Artist Charles Young has been working on a really neat ongoing miniature papercraft project called Paperholm, in which he builds a new house, tower, castle, farm, or other city structure every day using white cardstock. His buildings--many of which he animates for short looping videos--are apparently inspired by the photographs of industrial structures by Bernd and Hilla Becher. Young's papercraft creations also […]
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4:07 PM | Random Matrices for the People: An Introduction to Matrix Concentration Inequalities
Compressive Sensing, Random Features, it's all in there: An Introduction to Matrix Concentration Inequalities by Joel Tropp In recent years, random matrices have come to play a major role in computational mathematics, but most of the classical areas of random matrix theory remain the province of experts. Over the last decade, with the advent of matrix concentration inequalities, research has advanced to the point where we can conquer many (formerly) challenging problems with a page or two of […]
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2:00 PM | The Mythbusters Reboot - 1/13/2014
Adam, Will, and Norm discuss the changes in the new season of Mythbusters.
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10:58 AM | In the era of #repligate: What are valid cues for the trustworthiness of a study?
In a recent lecture I talked about the replication crisis in psychology. After the lecture my students asked: “We learn so much stuff in our lectures, and now you tell us that a considerable proportion of these ‘facts’ probably are just false positives? Then, what can we believe at all?”. A short discussion soon led […]
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7:45 AM | CES 2015: MarkForged 3D Printer Prints Carbon Fiber
No summary available for this post.
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6:00 AM | Positive Low-Rank Tensor Completion - implementation -
Anil Aswani just sent me the following:Dear Igor,I have a recent paper on tensor completion in which I show a specific class of positive tensors admits polynomial-time algorithms for tensor completion that achieve improved statistical convergence rates over existing approaches, and thought it might be of interest to your readers. A preprint and source code is available at http://ieor.berkeley.edu/~aaswani/plrt/Regards,Anil AswaniAssistant Professor, IEOR, UC […]
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1:16 AM | Salvius gives a thumbs up to students at Tech Foundry
Students from the Tech Foundry worked to build a pair of robotic hands for Salvius at this weekends workshop. While working, students learned that the length of each digit in a finger follows the pattern of a Fibonacci sequence. The Fibonacci sequence occurs quite commonly in nature, however the significance of this pattern in the human hand is that it allow the fingers to curl into a fist shape which is why human hands are good at using a wide variety of tools. In addition, it was shown […]
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1:00 AM | Handbook of Fibre Rope Technology
I ran across this and it is a fantastic reference. Everything you would ever wanted to know about rope design.
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12:00 AM | 8 Interesting Things We Missed at CES 2015
We saw a lot of cool stuff at this year's CES, and our videos from the floor are still being edited to roll out on the site over the next week and a half. In addition to our featured Oculus VR demo and interview, we raced quadcopters, checked out Razer's OSVR dev kit, and even listened to Sony's new $1100 Walkman. But we couldn't cover everything being shown at the Las Vegas Convention Center, and there were definitely interesting pieces of technology that we let slip through the cracks. […]

January 12, 2015

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9:55 PM | CSMeeting: Compressed Sensing in Wireless Communication - Workshop 2015
Thomas just sent me the following:  Dear Igor,A couple of colleagues and I are organising a workshop on compressed sensing in wireless communication at the conference European Wireless 2015 in Budapest in May. You can find the details on our workshop webpage: http://sparsesampling.com/EuropeanWireless2015/. I was thinking you might be interested in posting it on your blog.Cheers,ThomasThanks Thomas ! From the page:Compressed Sensing in Wireless Communication - Workshop 2015As part of […]
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9:00 PM | Netherlands' Coat of Arms in Papercraft
No summary available for this post.
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7:43 PM | New development in cancer research scandal
My interest in the Anil Potti scandal started when my former colleagues could not reproduce the analysis in one of Potti’s papers. (Actually, they did reproduce the analysis, at great effort, in the sense of forensically determining the erroneous steps that were carried out.) Two years ago, the story was on 60 Minutes. The straw […]
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7:00 PM | FOCS Workshop on higher-order Fourier analysis: A Review
This is a guest post by my student Amirali Abdullah. Amirali attended FOCS 2014 and has a number of interesting reflections on the conference.2014 was my first experience of attending a FOCS conference, and finally seeing the faces* (attached to some of the cutting edge as well as classical results in theoretical computer science. Not only did I get to enjoy the gentle strolls between conference halls, and hearing about fields I'd never known existed, I had the pleasure of doing so while […]
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5:11 PM | Quantum computing news items (by reader request)
Within the last month, there was a major milestone in the quest to build a scalable quantum computer, and also a major milestone in the quest to figure out what you would do with a quantum computer if you had one.  As I’ve admitted many times, neither of those two quests is really the reason […]
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4:30 PM | Gene Golub SIAM Summer School 2015 RandNLA: Randomization in Numerical Linear Algebra Delphi, Greece (June 15-26, 2015)
      Michael Mahoney just sent me the following: Hi Igor, Hope all is going well with you.  In case you haven't seen it, I wanted to bring to your attention a summer school this summer on Randomized Numerical Linear Algebra, the 2015 Gene Golub SIAM Summer School, that I am co-organizing with Petros Drineas, Ilse Ipsen, and Stratis Gallopoulos.  It's a great chance to learn about the area, and we are able to offer full support to undergraduate and […]
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4:14 PM | The Ecosystem of Unix and the Difficulty of Teaching It
Plos One published an awful paper comparing Word vs LaTeX where the task was to copy down a piece of text. Because Word users did better than LaTeX users at this task, the authors conclude that Word is more efficient. … Continue reading →
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4:00 PM | Privacy is dead, but not because Scott McNealy said so.
I decided to experiment with using Medium for a long-form not-quite technical post on the evolution of research in data privacy.The idea of privacy has driven much of our concerns over data for the last few years, and has been the driver of extremely successful research efforts, most notably in differential privacy.What we’re seeing now though is a pivot away from the undifferentiated and problematic notion of privacy in data towards a more subtle and nuanced notion of how data is […]
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4:00 PM | Google Play App Roundup: Fliktu, Crossy Road, and Spectrum
Grab your phone and prepare to shoot some new apps and games over to it from the Google cloud. It's time for the Google Play App Roundup where we tell you what's new and cool in the Play Store. Just click the links to head to each app's page to check it out for yourselfThis week sharing gets better, a chicken crosses the road, and you avoid touching the sides.FliktuThere have been various attempts to improve Android's sharing menu, which has long been a strength of the platform. Even Google has […]
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3:00 PM | CES 2015: DJI Inspire 1 Mount Handheld Gimbal Camera
No summary available for this post.
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6:30 AM | Improving approximate RPCA with a k-sparsity prior
Using a regularizer borrowed from k-sparse autoencoders, this is interesting: Improving approximate RPCA with a k-sparsity prior by Maximilian Karl, Christian Osendorfer A process centric view of robust PCA (RPCA) allows its fast approximate implementation based on a special form o a deep neural network with weights shared across all layers. However, empirically this fast approximation to RPCA fails to find representations that are parsemonious. We resolve these bad local minima by […]
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6:00 AM | 2nd CfP: SPARS 2015 Signal Processing with Adaptive Sparse Structured Representations
Nick Kingsbury just let me know about the 2nd CfP of SPARS 2015  2nd CfP: SPARS 2015 – Cambridge UK – 6-9 July 2015 Abstracts due 20 January 2015http://sigproc.eng.cam.ac.uk/SPARS2015Please join us for SPARS 2015 in beautiful and exciting Cambridge, UK. The Signal Processing with Adaptive Sparse Structured Representations (SPARS) workshop seeks novel ideas and […]

January 11, 2015

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3:07 PM | Group Test: Linux Text Editors | Linux Voice
If you’ve been using Linux long, you know that whether you want to edit an app’s configuration file, hack together a shell script, or write/review bits of code, the likes of LibreOffice just won’t cut it. Although the words mean...
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9:52 AM | Générateur de brouillard
La veille du massacre de Charlie Hebdo, j’ai assisté à la démonstration d’un système de sécurité assez étonnant : un générateur de brouillard. En une dizaine de secondes il remplit une salle d’un brouillard tellement épais qu’il est impossible d’y voir à plus de 20 cm, la lumière tellement diffusée qu’on n’arrive plus à se repérer. […]

January 10, 2015

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10:50 PM | Wearable display and pocket computing
Again with headache, after a few hours of working in train, it comes apparent that even with hi-def, retina displays, the non-ergonomic posture and other troubles of working with laptops in cramped surroundings of mobile work are not going away. … Continue reading →
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10:21 AM | Saturday Morning Video: Gigapixels of Andromeda, NVIDIA and CNNs at CES and some light hearted late night comedy
Remember that senstence: "We generated more data than there are stars in the Universe"well, this is what that information looks like.      After a week with a heavy heart, I truly enjoyed this one even though it might have been staged. Thank you Jimmy Fallon and Nicole Kidman for the light hearted comedy.   Join the CompressiveSensing subreddit or the Google+ Community and post there ! Liked this entry ? subscribe to Nuit Blanche's feed, there's more where that […]

January 09, 2015

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9:30 PM | The Best Space Heaters for Most People
This post was done in partnership with The Sweethome, a list of the best gear for your home.Read the full article atTheSweethome.comSpace heaters are a great way to give your home’s main heating system a little extra help, and most people will be very happy with one (or both) of the two best models we’ve found for small and large rooms. We performed more than 60 hours of research on more than 100 heaters, then had a Ph.D physicist perform head-to-head tests on 37 finalists to find […]
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6:47 PM | Underwater Paleontologists Find Massive Lemur Graveyard
No summary available for this post.
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4:30 PM | Fast, simple and accurate handwritten digit classification using extreme learning machines with shaped input-weights
I first heard about Extreme Learning Machines from a presentation at the Paris Machine Learning Meetup #6 Season 1 on Botnet detection by Joseph Ghafari (a resource for this approach can be found here). These constructions are essentially nonlinear functions of random linear projections. Today, we have a paper that aims at showing how one/few iterations of these functions can provide similar results as deep neural networks. Fast, simple and accurate handwritten digit classification using […]
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4:00 PM | CES 2015: Hands-On with the USB Type-C Connector
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3:41 PM | [Graphique] Les millions de tweets #CharlieHebdo et #JeSuisCharlie
Les réseaux sociaux se font écho de la stupeur consécutive à l’attentat dont a été victime le magazine Charlie Hebdo ce 7 janvier 2015 et de ses rebondissements violents. Mesurer l’impact de cet événement sur Twitter, un lieu où les informations ne sont désormais plus seulement relayées mais créées, est un des multiple moyen de tenter de comprendre le phénomène social qui se […]
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