+
John Conway explained in an interview that he’s never applied for an academic job. I am rather proud of the fact that, in some sense, I never applied for an academic position in my life. What happened: I was walking…Read more ›
+
The other day, I was talking to a friend about old tech we still use, and I realized I’d be hard pressed to find anything I’m still using that’s older than my studio headphones. I bought a pair of Sennheiser HD580s about ten years ago. They still sound great, but they’ve outlasted most of the other electronics I’ve purchased since then simply because the designers knew how they’d fail.Most other headphones and earbuds I’ve had failed in exactly the same way—a cable gets damaged
[…]
+
No summary available for this post.
+
While you’re planning for a summer vacation on the beach, we’re planning to host three dozen aspiring data scientists for The Eric and Wendy Schmidt Data Science for Social Good Fellowship. In just a couple weeks, 550 undergraduate and graduate students from around the world applied for the program, as visualized above. While the lucky […]
+
Here's a little behind-the-scenes detail for you. For this week's videos with Chris Hadfield (you've seen them by now, right?), Chris actually played cameraman himself for all the footage shot on the ISS. This was likely the case for his now-famous Space Oddity music video, which makes the feat that much more impressive. The video clips the Canadian Space Agency relayed to us were 720p video shot from on a Nikon DSLR, and while we were reviewing the footage, we noticed speckles of static white
[…]
+
We’ve now burned through a few gallons of very expensive silicone rubber to make molds of every one of the Halo Reach Needler prop's 12 individual parts. There are a bunch of Needler-shaped cavities that need to be filled with something, and in a similar theme to making the molds themselves, there’s a variety of ways to go about doing so.Techniques and materials will vary depending on the final use of the piece, but for the purposes of this tutorial we’ll be concentrating on urethane
[…]
+
No summary available for this post.
+
No summary available for this post.
+
When you expand (x + y)n, the coefficients increase then decrease. The largest coefficient is in the middle if n is even; it’s the two in the middle if n is odd. For example, the coefficients for (1 + x)4…Read more ›
+
The issue of random sampling in compressive sensing was made more clear, in my view, by the work of Ben Adcock and Anders Hansen ( see A Q&A with Ben Adcock and Anders Hansen: Infinite Dimensional Compressive Sensing, Generalized Sampling, Wavelet Crimes, Safe Zones and the Incoherence Barrier. ). In short, the whole random sampling story has some problems at low frequencies. In MRI, the field at the leading edge of compressive sensing, several sampling techniques have been evaluated to
[…]
+
I’m working on an Alien costume. I’ve got the suit. It was built for me, and it’s gorgeous. But I’m making the head myself, and it’s kicking my butt. The problem: I have too much time.I’ve learned over decades of building that a deadline is a potent tool for problem-solving. This is counterintuitive, because complaining about deadlines is a near-universal pastime. When I worked with the amazing sculptor Ira Keeler on the space shuttle for Clint Eastwood’s Space Cowboys, Keeler was
[…]
+
Rather than risk losing your iPhone, we think a true waterproof camera or a GoPro or a waterproof camera is the best way to get photos in the water. But if you have to protect yours from impact, liquid and dust, the best tough waterproof iPhone case, overall, is the $80 Incipio Atlas.We think the Incipio is the most well rounded phone case, more secure yet just as slim as last year’s favorite.It has a depth rating of 6 feet, but was among the driest in our endurance pool tests when many
[…]
+
This week, Adam discusses the problem with golfing in a tuxedo on a canyon rim, while Norm and Will recount their recent visit to the Johnson Space Center. Learn about the second largest swimming pool in the world, what the Space Shuttle's crew area is really like, and why you don't want to be the person who opens an airliner's door.
+
The grades are in for CS 124. Hooray!Interesting trend : freshmen, who make up a small fraction of the class, are highly over-represented in the A and A- grades. This has been happening for some years now. Extension of the interesting trend : women freshmen*, who make up a smaller fraction of the class, are even more highly over-represented in the A and A- grades.I'd be very excited if I were teaching the class again next year -- finding undergraduates who have the potential […]
+
This was my latest quick creation. I decided to try out publishing to the Chrome Web Store. The store lets you publish free or paid apps that users can add to Chrome. The only catch is a small developers fee which I really didn't mind.At the moment the "Salvius Robot App" is simply a link to this site (similar to how the gmail, blogger, or many other apps are). Eventually I would like to incorporate more features into the app. I have an idea for a few robotics tools that may
[…]
