Maker Faire Bay Area 2014

I went to Maker Faire yesterday for the first time since my first visit in 2009.

There were a lot of familiar exhibits, but the most noticeable change was the rise in 3D printing. There were multiple 3D printers on display, including these from Ultimaker which are about $2600.

3D printer making a figurine

I had never seen a 3D printer in person before, and it was fun to see many of them in operation. The concept as far as I can tell is pretty simple. A plastic coil is fed into a hot nozzle, just like a hot glue gun, which melts the plastic. As the plastic is extruded, the print head moves along 3 axes to create the product. I don’t know what I’d use a 3D printer for today as I don’t generally build things in the physical world, but it will be interesting to see if they ever become mainstream among general consumers.

Fire is always popular. Here’s El Pulpo Mecanico:

Metal octopus sculpture with fire coming out of the tips of the tentacles

Download

It reminded me of how fire is used at theme parks and in Las Vegas.

I didn’t get any good video of it, but this year the Tesla coil demonstration was musical. There was a keyboardist in a cage, I believe controlling the coils, backed by other band members. You can find a ton of good Tesla coil music videos on YouTube.

Tesla coils

I liked the look of these lights:

Inflated colored light sculptures

Here’s what it looks like to have a smoke ring shot into your face:

Download

Blue Man Group has incorporated similar machines into their act, of course playing them as drums.

clouds

Old train

That’s a Fresnel lens on the light. Yeah, I learned stuff in my high school stagecraft class.

horse made out of tire scraps

Checking sources

I was recently asked what students today should be learning. One of my responses was that given that they have access to an unprecedented amount of information from an unprecedented number of sources, they should learn how to do research with noisy data. The idea is to give students the benefits of access (no arbitrary “Don’t trust anything you read on Wikipedia!” rules) by giving them the skills to read those citations and evaluate credibility.

This is not a new skill. Even in a well-curated library, one should check cited sources, and understand that just because someone wrote it in a book, that doesn’t mean that it’s true. Mistakes happen, misunderstanding happen, memories aren’t always accurate, and people lie. However, there’s a barrier to entry when it comes to getting something published in a book in a library. On the Internet, there’s not much of a barrier to getting something published. I’m doing it right now from my couch, writing whatever I want with confidence, without any verifiable credentials, and without an editor. And for whatever reason, you’re still reading.

Of course, the ease of publishing information online is awesome. We can get information from sources around the world who might never bother to get a book published. We can hear directly from primary sources as they publish blog posts and tweets.

Ok, now that I’ve stated what is probably obvious to most people who are reading this, here’s a story from yesterday. I saw a tweet that included a photograph with the caption “A Single Drop of Seawater, Magnified 25 Times” along with a link to this page, which contains the photo in the tweet.

I raised an eyebrow. Not being a biologist, I could have believed that all of those creatures lived in a single drop of water. But, I have seen many drops of water in my life, and I was pretty sure that I could fit more than 25 of them in the space of that image. I got curious. At first, I thought that maybe just the number was off. Maybe it was a single drop of water magnified 250 times. Let me retrace my steps and show you what I found.

The first cited source, Colossal, doesn’t look bad. The author credits and links to the photographer, there’s a link to something that he spotted in the image (whatever a diatom is), and he helpfully credits his source with a “via” link to another page on a site called Lost At E Minor. Off to LAEM I went. That page also uses the “25 times” number, but describes the image as a “splash” and “bucket” of seawater. Not a drop. Interesting. So just how much water is it? The “via” link on Lost At E Minor goes directly to the website of the photographer, David Liittschwager. I was pretty close to my eventual answer at that point, but I got off track a bit visiting a bunch of other sites where the photo had been shared. After searching for [David Liittschwager seawater], however, I quickly found that the image had appeared in National Geographic, a reputable source. The first page that I landed on mentioned a “dipperful of seawater,” but I wasn’t sure if that was referring to the exact image on the page, as it was part of a series of photos. When I got to the second picture in the series, the image in question, I again saw the quantity described as a “splash,” and a helpful note that the crab larva is “the size of a rice grain.” I was pretty much set at that point. A small rice grain can fit in a large drop of water, but the crab only takes up a small portion of the picture. This is bigger than a drop. Upon revising David’s site, I found a link to “Marine Microfauna,” but the page was hosted on .Mac, which has been shut down. Archive.org’s WayBack Machine came to the rescue and I was able to navigate to this page which captions the photos with “contents of one dip of a hand net.” So so there you are. All of the creatures in the photograph fit in one hand net. Is it at 25x magnification? I don’t know. The crab is supposed to be the size of a grain of rice. I’m relatively new to rice, but that looks about right to me.

Should you research every single statement you see in a tweet? I don’t think so. It doesn’t really matter if that’s a picture of a drop of water or a bucketful; the point is there’s a lot of life in the sea. But if you ever get really curious about something, dig deeper.

I mentioned evaluating credibility at the beginning of this post, and I’m ending it with a quick one-minute tip from Dan Russell on one feature you can use to evaluate credibility online.

Lyft

I finally signed up for Lyft earlier this month so I would have yet another transportation option available to me in San Francisco, especially when Uber is in a surge pricing period. They gave me some free credit to get started, so I decided to take a couple of free rides tonight before the credits expired.

Signing up was easy. I didn’t like having to log in with Facebook as apps can do nasty things with that, but I figured I would have heard by now if Lyft did anything spammy. The Facebook requirement did prevent me from signing up for Lyft quite a few times in the past, though.

Requesting my ride was also easy. Just like Uber, it picked up my location automatically, I could adjust it if necessary, it told how long it will take for a driver to arrive, and requesting a ride was as easy as tapping a button. The request UI is actually more intuitive than Uber’s with the big “Request Lyft” button.

One of the nice features that set Lyft apart from Uber is that after requesting a ride, I could enter my destination while the driver was en route. That helped to get things going a little faster once I got in the car, and it was also nice to be able to type it in myself rather than having a driver transcribe what I said into a GPS system. Like Uber, it doesn’t look like drivers are required to use any particular navigation app. The first driver used Apple Maps, which gave somewhat confusing directions at a complicated intersection, and the second driver tried to use Google Maps, but was unable to get that to work either. I’m all too aware that we (technology makers) still have a lot of work to do when it comes to making products less difficult to use.

For both rides, I sat in the front as is the custom with Lyft, but neither driver offered a fist bump, and neither vehicle was equipped with a pink mustache. From what I’ve heard from other riders, the quirky fist bumping stuff doesn’t really happen anymore, and I think that’s fine. The experience was basically the same as uberX; I would guess that they attract a similar set of drivers.

After the ride, I got confused by the app. I knew that Lyft had a tipping feature, but I was unable to quickly figure it out as I was walking into a restaurant, and accidentally skipped the tip completely on my first ride. To add a tip, you have to tap on the payment method and go to a second screen. If you simply rate the driver, it will not give the option to add a tip. I was able to tip the driver later by emailing Lyft support, which had a fast response time of six minutes at 10 P.M. on a Tuesday. Of course my overall feedback on this aspect is that there shouldn’t be any tipping at all. That’s what I love about Uber. I’m more than happy to pay the extra amount (I’m a 20% & round up to the nearest dollar tipper), but it should be in the standard rate. That way the drivers always know what to expect in terms of income, and the passengers don’t have to worry about being too cheap or giving away money unnecessarily.

Overall, it was not a bad experience. It’d be great if they could get rid of tipping (I’d accept a rate increase in exchange), and a fare estimator within the app would be nice as well. uberX is still my on-demand car service of choice due to its no tipping policy and higher availability, but Lyft is a decent alternative.

Spring cleaning

old CDs

It’s hard to throw things away that for so many years I carefully saved as important. You never know when you’ll need to reinstall iPhoto 1.0.

Fooled

Today was a pretty good April Fools’ Day.

This morning, I received an email from my film professor who I had played a joke on nine years ago when I told him that I was quitting the film program to focus on pre-law. I haven’t spoken to him since graduation, and I don’t think we’ve even emailed, but today his one-line note was simply “I never forget.” That made me feel pretty good. I still have the voicemail that he left in 2005, and I don’t believe I’ve tried to play an April Fools’ Day joke on anyone since.

Tonight, my team got me. Someone from our team in Dublin is visiting, so we had decided that we were going to go out for dinner. As the workday ended, I asked where we were going. Knowing that I’m very particular (and some would say peculiar) about food, Eric told me that we’d be eating at a new Caribbean place that he had just discovered. I instantly got nervous. Trying new food is a scary thing for me. Of course the first thing that I wanted to know was if I would be able to find something to eat. I asked to see a menu. Eric informed me that the new location didn’t have a menu online yet, but the Palo Alto location did, and sent me a link. I started looking, trying to figure out what I would eat. I also asked why anyone would ever go to a restaurant that didn’t have its menu online. Why would one take that risk? I was told to check out Di Big Tings. Research indicated that there were few menu options that didn’t involve coconut, beans, or meat on bones—things that would cause me to avoid a dish. I looked at a bunch of photos of dishes and settled on Chicken Shrimp Pelau as a candidate for my dinner. When it was time to leave, I admitted to everyone, “I’m so nervous right now.” Eric offered to beam me the location of the restaurant, where we would all meet. I looked at the map, and started criticizing him for not linking directly to a place marker, and asked if the restaurant was even on Google Maps. He told me that they weren’t on Maps yet. This happens with new places, and I often add new restaurants to Google Maps via Map Maker. Before we left, I decided that we needed to add the restaurant to Google Maps. I fired up Map Maker, and asked where the restaurant was located. When Eric showed me on the map, I was very familiar with the location. It was right next to Sushi Tomi, one of my favorite places to get sushi. I thought it was strange that I hadn’t noticed the new restaurant there, as I had walked down that street just last night after eating at Sushi Tomi, but I could have easily ignored that building. Eric started to hesitate, and I got the sense that he might not know exactly where the restaurant was located. Not wanting to provide imprecise location data, I announced that I would add the restaurant to Maps after we ate. As we started to leave, and I forget exactly how this came up (maybe in the context of directions for our visitor), I mentioned that I had eaten at Sushi Tomi last night. Eric looked shocked and disappointed. I panicked, thinking that he had somehow expected to have been invited the night before, even though it was an impromptu dinner with the visitor after he asked for a recommendation of a sushi place after work. But then Eric told me that the joke was on me: the plan was to get me to the building next to Sushi Tomi, where there was no Caribbean restaurant that I needed to be worried about trying new food at, and then surprise me with a sushi dinner. I had no idea and was super-impressed. They really got me good, even down to how to pick a cuisine that was right in that zone where it was different enough to make me scared, but not scared so badly that I’d veto the option. Well-played. In the end, we decided that there’s nothing wrong with getting sushi two nights in a row, and headed to Sushi Tomi.

There were a lot of other good jokes on the Internet today that I’m about to catch up on, but here’s one that I did get to see: Google Translate on mobile Chrome translates English to Emoji.

screenshot of this blog with some words replaced by pictures

Update at 12:40 AM on April 2: And my favorite surprise of the day… there’s an update on HomestarRunner.com, complete with a Webvan reference. I still make H*R references at work, and fewer and fewer people are able to understand me. Now, maybe things will change for the better. Props to the HR Wiki folks for keeping that going too.

I’m on the TV!

I’m famous! I looked up at my TV one day a few weeks ago and was thrilled to see one of my photos being displayed on the Chromecast Home Screen.

Brandon took a picture of it on his TV:
TV showing a plasma ball image on the Chromecast Home Screen

I took the photo in 2006 when playing around with a plasma ball and bulb exposures.

A few of my photos are also featured on Google’s internal video conferencing system, but I think it’s even cooler to have something that can get me in living rooms across the country. I’m not sure if Chromebox for Meetings has any of my photos, so if you happen to spot one there, let me know!

By the way, Brandon’s photography skills don’t end at taking pictures of his TV. I’ve seen several of his photographs appear on Chromecast, including this one from our trip to Telluride. I recommend following him on Google+ if you like landscape photography.

High latency conversation

Bill and I don’t talk much now that we’re not in the same apartment or even the same city, but in December, we had a lot to talk about. Here’s an unedited exchange of text messages; our only communication during this period:

Me: Happy birthday hahaha you are so old! (Dec. 15, 13 12:39 PM)
Me: I’m still in my 20s (Dec. 15, 13 12:39 PM)
Bill: Not any more. Happy birthday. (Dec. 31, 13 11:40 AM)

Air Travel tips

Living on the opposite coast of my family, I fly fairly often—about one trip per month on average. Sometimes travel can be a little annoying, but for the most part, I’ve found that the actual experience is way better than its reputation would lead one to believe. As Louis C.K. put it: “Everything is amazing right now, and nobody’s happy.” And if you’re not convinced, remember that it’s at least better than it used to be.

Of course there are many factors in my favor when I travel: I generally fly alone, so when I book I only have to find one good seat. I don’t have kids, so there’s no dealing with that. And, I’m usually on cross-country flights between major cities, so I’m on direct flights on bigger and nicer aircraft. But in addition to the luck I’ve described, I’ve learned a few other things over time to help make the flying experience a little nicer. I wrote most of the following as an email, but since the advice may be useful to others, I’m pasting it into a blog post.

Global Entry and TSA PreCheck

Global Entry lets you skip the line when re-entering the United States. Sign up for this well ahead of your trip since you’ll need to schedule an “interview” to confirm your identity in person ahead of your trip. The signup form is long, but it’s worth it. Some American Express cards will give you credit for the registration fee, so pay with an AMEX if you have it.

Along with getting to bypass the lines at immigration, you’ll also get a “Known Traveler Number,” also known as a PASS ID. You can use this number to get TSA PreCheck on any airline that supports it. TSA PreCheck generally has shorter lines, and it moves a lot faster since you walk through a metal detector, you don’t have to take off your shoes, and you don’t have to take anything (like laptops) out of your bag. Just look for the field that says “Known Traveler Number” when buying your tickets. I enter it every time, even if I should already get PreCheck through the airline’s frequent flier program, just to be safe.

I wrote more about Global Entry and PreCheck last year.

Seat Guru

I’m usually flying the same planes, so I know where my favorite seats are. But whenever I’m booking a flight on an unfamiliar plane, I try to remember to consult Seat Guru. It provides information about the seats on the type of plane you’re on, including legroom, recline, and storage space.

Premium Economy

United calls it Economy Plus. US Airways calls them “Preferred” seats. Virgin America calls it Main Cabin Select. In every case, I’ve found them to be worth the extra money to get a more comfortable ride without upgrading to first class. The prices are often quite high at the time of booking, but you have a couple of other options. You can take your chances and try to get an upgrade when you check in (still for a fee), or if you have status on the airline, make sure you’re signed in to your account when booking, and you may see the good seats available for no extra charge.

One-way flights

You often don’t save any money when booking round-trip domestic flights, so try looking at your outgoing and return flight options individually, since that will give you more options for flight times, airlines, and even airports. I’ve often flown out on one airline and back on another. I’ve even switched up the airports, so I might fly into EWR and out of PHL.

My airline of choice: Virgin America

I fly them whenever possible. It’s a much more comfortable experience. All of their flights have WiFi, and they have two power outlets for every three seats. In Main Cabin Select you get extra legroom plus free food, drinks, and movies. One thing that’s been hard to get used to with them is that the status-based upgrades don’t flow nearly as freely as I’m used to on US Airways, but it also means that upgrades are almost always available if you check in early enough. You can upgrade to Main Cabin Select 24 hours prior to departure or first class six hours prior to departure. You can upgrade to first class earlier if you have status.

Funneling miles

The short version of this is: For each alliance that you fly, choose one airline as your “main” airline and use that frequent flier number on all airlines in that alliance.

The long version: Most airlines are part of an alliance, which means that you can earn miles (which count towards frequent flier status), on any member airline. Normally, if you fly 10,000 miles one year on United, and 15,000 miles on US Airways that same year, you wouldn’t reach “Silver” status on either airline. But, if you used your US Airways frequent flier number when booking on US Airways, and also used your US Airways number when booking on United, then you’d reach Silver status on US Airways. That means that you’ll get free upgrades and other goodies on US Airways, and you’ll have “Star Silver” status on all Star Alliance airlines (assuming you book with your US Airways number), which can mean things like priority boarding and free checked bags, even if you have no status on that particular airline. This example won’t be valid forever; both United and US Airways are currently members of the Star Alliance, but US Airways is going to leave with the American merger.

More tips

I start most of my flight searches on Google Flight Search, and not just because I work there. It doesn’t have as many options as some other flight search providers, but it’s super-fast. The results update instantaneously as you change your search.

All airlines have different policies, so check their websites to figure out all of your options for upgrades, etc.

If you’re interested in the best way to get award travel using credit cards, I’m not the expert on that, but there are plenty of guides out there where people have done the math. I am starting to funnel my purchases to a card that earns status-qualifying miles after a certain threshold.

I have a ton of other ground transportation tips, especially in the San Francisco Bay Area, but I haven’t yet gathered all of those into a single post.