This is an 11 minute excerpt from an hour-long video, contributed by long-time Slashdot user Erik Möller. This video is the moving picture equivalent of the typical Slashdot summary of a text article, complete with a link to the main article, which in this case is a video (over an hour long) at PassionateVoices.org. Erik's interviewee, Sumana Harihareswara, is also a long-time Slashdot reader who claims (admits?) that she met her husband through a Slashdot link, albeit indirectly. She's spent most of the past decade working with open source, much of it as a community leader. If you are in a leadership role in an open source community or plan to lead one someday, you may want to listen to the complete interview. Sumana has many useful things to say about how open source communities should -- and shouldn't -- be run.

Pam Fletcher was propulsion system chief engineer on the first Chevrolet Volt plug-in hybrid and is now executive chief engineer for electrified vehicles at GM, overseeing electrified vehicles company-wide. A while ago you had a chance to ask about her work and the future of electric cars. Below you'll find her answers to your questions.

For a good number of years, the sound of the old IBM or other mechanical keyboard clacking away was the sound of programmers (or writers) at work on their computers. Then, according to Edgar Matias, president and cofounder of the Matias Corporation, computer companies started using membrane switches and other cheaper ways to make keyboards, which made a lot of people mutter curse words under their breath as they beat their fingers against keys that had to go all the way to the bottom of their travel to work, unlike the good old mechanical keyboards we once knew and loved.

Enter Edgar Matias, who started out making the half keyboard, which is like a chorded keyboard except that you can use your QWERTY typing skills with little modification -- assuming you or your boss has $595 (!) to lay out on a keyboard. But after that Edgar started making QWERTY and Dvorak keyboards for semi-competitive prices. FYI: No Slashdot person got a free keyboard (or extra money) for making this video, but I have a Matias keyboard, and in my opinion it's far better than the cheapie it replaced. A lot of other people seem to want "real" keyboards, too, which they buy from Matias or from other companies such as Unicomp, which makes keyboards just like the classic, heavily-loved IBM Model M. Again, I've owned a Unicomp keyboard (that I bought; it was not a giveaway) and it was excellent. Both companies put out quality products that are far easier on your hands and wrists than the $10 or $20 keyboards sold by big box electronics retailers.

Yesterday, in the intro to video number one of this two part extravaganza we wrote, "The effects of light and dark on adults' Circadian rythym has been studied over and over, but there hasn't been much research done on how light at night affects young children's sleep patterns."

Then we said, "This is the topic of Lameese Akacem's doctoral dissertation, and is a study being carried out under the aegis of the Sleep and Development Laboratory at the University of Colorado, Boulder," and we mentioned that this research is (at least in part) crowdfunded, and that the deadline for donating to this project is early next week, so if you feel this project is worth supporting you need to act within the next few days.

The effects of light and dark on adults' Circadian rythym has been studied over and over, but there hasn't been much research done on how light at night affects young children's sleep patterns. This is the topic of Lameese Akacem's doctoral dissertation, and is a study being carried out under the aegis of the Sleep and Development Laboratory at the University of Colorado, Boulder, under the direction of Assistant Professor Monique K. LeBourgeois. Aside from the inherent value of this research, which may help parents decide whether (and how much) they are messing up their children's sleep patterns by letting them view screens such as TVs, tablets or smart phones near bedtime, its funding is unique; the money for this study is coming, at least in part, from crowdfunding. The crowdfunding itself is an experiment. This study is one of a small, select group of projects the University of Colorado at Boulder has in its pilot crowdfunding program. Its crowdfunding time window closes next week, so if you want to help sponsor this experiment, and help learn how different kinds of light can affect how (and how well) small children sleep, you need to act within the next six days. (This is a two-part video. Part one runs today. Part two will run tomorrow.)

A week ago you had the chance to ask Fark Founder Drew Curtis about wasting hours at work reading stories about Florida, and his Kentucky gubernatorial campaign. We'll be checking back with Drew as the race proceeds, but for now you can read his answers to your questions below.

Justin McLean is probably best-known for his work with Apache Flex. He also started playing with open source hardware before Arduino, and now works with systems like Fritzing, an open source hardware initiative that can take you all the way from initial concept to production-ready PCBs you can have made by a production house -- or make yourself if that's the way you roll. This can be an educational activity, a way to make prototype boards for potential Internet of Things products or even just a fun way to occupy yourself by making LEDs light up.

You can call Bob Paulin 'Coach' and he'll probably respond, because he's been coaching youth football since 2005. Now he's also coaching what you might call 'youth science and technology' as the Chicagoland organizer of Devoxx4Kids.org. A motto on the group's website says, 'Game programming, robotics, engineering for kids in a fun way!' And that's what the group is all about, as Bob says in this video (and in the accompanying transcript for those who prefer reading over watching).

Mark F. Brown and Joel Rozenweig build autonomous drones; that is, drones that don't need an operator every second. You tell the autonomous drone, "Pick up package # 941A at the loading dock and deliver it to 451 Bradbury St.' and off it goes. It's going to be a while yet before that happens, but one day....

Back in the present, dronemaking is still a hobby for Mark and Joel, something they do for fun after spending their workdays as software engineers at Intel. Joel says there is 'remarkably little' crossover between their jobs and their hobby, and that (so far) Intel has contributed little beyond some Edison modules (which you can buy for less than $50) and travel to the Embedded Linux Conference, where they gave a talk accompanied by these slides. NOTE: We have a little bonus for you today. We try to keep videos to 10 minutes or less, but we have no such constraints on transcript length. So if you want the 'full' version of this interview, please read the transcript.

For many, the day would not be complete without checking Fark.com for the latest funny or weird news. Inspired by the numerous links to interesting news stories he'd send to friends every morning, Drew Curtis created Fark in 1999. By 2009 it was one of the top 100 English language websites with 3-4 million unique visitors, and 60 million page views per month. Recently Drew has been in the news after he announced that he was running for governor in his home state of Kentucky with his wife Heather as his running mate. Calling himself an independent "citizen candidate," the campaign website says: "We have a theory that we’re about to see a huge change in how elections and politics work. Across the country, we have seen regular citizens stepping up and challenging the status quo built by political parties and career politicians. They have been getting closer and closer to victory and, here in Kentucky, we believe we have a chance to win and break the political party stronghold for good." We'll be checking back in with Drew as the race heats up, but for now he's agreed to answer any questions you may have. As usual, ask as many as you'd like, but please, one per post.

A one-on-one interview with Philippe Khan, who argues his case for activity-tracking Swiss smartwatches, and comments on Fullpower's changing relationship with Jawbone.

John 'Warthog9' Hawley was the boss sysadmin on kernel.org before he jumped to Intel in April, 2014, as an open hardware technical evangelist. He last showed up on Slashdot in June, 2014, with his Dr. Who-inspired Robot K-9. Now he's talking about flight computers for quadcopters, specifically ones based on MinnowBoards. Last month (April 2015) he was speaking at the Embedded Linux Conference + Android Builders Summit. That's where he and Timothy Lord had this conversation about flight controllers for UAVs, which makes it a fitting sequel to yesterday's video, which was also about controlling drones with real-time Linux.

Matt Heusser did a Slashdot video interview back in 2013 titled How to Become an IT Expert Companies Seek Out and Pay Well. Despite noise from a few yammerheads about Matt getting 'free advertising' on Slashdot, which is unlikely since the vast majority of Slashdot users are more likely to compete with him than to hire him, most of the people who saw that video (or read the transcript) knew he was giving helpful advice to peers who might want to get out of the cubicle and work for themselves.

Today, Matt is with us again. This video is about 'Negotiating for Nerds.' Matt talks about negotiating a pay raise or consulting fee increase, starting with learning who has the actual power to negotiate with you. This is essential knowledge if you are employed (or self-employed) in IT and want to make sure you're getting all you are worth.

While Timothy Lord was at SXSW, he chatted with Yuki Nishida of AgIC and learned about the company's conductive ink products. But AgIC wasn't the only company at SXSW showing off conductive ink. You could also meet the Electroninks people and see their Circuit Scribe product, which had a Kickstarter campaign a while back that raised $574,425.

This kind of product seems to be attractive to the kind of people who fund Kickstarter projects, and this bunch seems to have good resumes and some interesting, well thought-out products. There is apparently room in the 'draw circuits and learn electrical basics' market for both AgIC and Electroninks -- and probably for another dozen competitors, too.

It almost seems too perfect that the originator of the Armstrap 'community of engineers and makers' is named Charles Armstrap. He just introduces himself as 'Charles' on the Armstrap.org website. Names aside, Armstrap.org is 100% open source, including circuit board designs. This is not a 'draw your own circuit boards' bunch, although you certainly could if you wanted to badly enough since they provide schematics and even full CAD drawings of what they make. The reason they do this is laid out on their Core Values page. The boards Armstrap sells are not expensive, but if you are going to be truly open source, you need to supply the means to duplicate and modify or extend your work, as is totally permitted under the MIT License they use.

What should you do if your company's servers are hacked and your customers' credit card info or other data are stolen? Neill Feather, president of SiteLock, says you should have a plan of action tested and ready to go, the same way it's wise to hold fire drills so that everyone knows what to do in case of fire. Neill also recommends checking out the Online Trust Alliance and the many resources it makes available to businesses of all sizes whether or not they are OTA members. One document that would be a good place to start is their Data Protection & Breach Readiness Guide, which covers topics including liability and insurance considerations; basic forensics (to help catch the evildoers -- and prevent them from doing evil to you again); and even what information you should include in a letter to customers after a Target or Home Depot-type data theft. We can sum all of this up with the old saying, 'An ounce of prevention is worth a pound of cure,' but you should also know what to do if a problem happens, whether that problem is data theft, a ransomware attack or anything in between.

We started looking at ways to make instant hand-drawn or inkjet-printed circuit boards because Timothy met an engaging young man named Yuki Nishida at SXSW. Yuki is a co-founder of AgIC, a company that makes conductive ink pens and supplies special paper you can use to write or draw circuits or, if you have the right model of Brother printer, to print them with special inkjet inks. The AgIC people are aggressively putting the 'A' in STEAM by marketing their products to artists and craftspeople. Indeed the second line on their website's home page says, 'AgIC offers handy tools to light up your own art works.' This is an excellent niche, and now that AgIC has developed a circuit eraser (due to ship this April), it may lead to all kinds of creative designs. And as is typical with this kind of company these days, AgIC has been (at least partly) crowdfunded.

A little cursory Google searching will soon lead you to other companies selling into the home/prototype circuit board market, including Cartesian Co and their Argentum 3-D printer that does prototype and short-run PCBs and only costs $899 (on special at the time this was written) and Electroninks, which markets the Circuit Scribe pen and associated materials with an emphasis on education. There are others in this growing field, and a year from now there will probably be more of them, all working to replace the venerable breadboard the same way electronic calculators replaced slide rules.

Austin has a strong western heritage and more country and western music than you can shake a fiddle bow at. So when Timothy came back from SXSW with video clips from two home automation companies with different approaches to this question: "How can you work with a whole bunch of lights and thermostats and other IoT home automation pieces that all have different OSes and control APIs?" we obviously had to call the resulting video 'Dueling Home Automation Systems.'

The two companies shown in this video are called WigWag and Yonomi. WigWag sells you a "Relay," which they say "is a powerful mini computer that gives you control of your home's smart devices." The minimum pre-order buy-in for WigWag seems to be a $149 WigWag Relay. Their 'products' page his page shows the Relay -- and many other gadgets and kits that could easily run your total tab up to $1000 or more. Yonomi, on the other hand, "resides on your phone and in the Cloud. No need for a hub, controller box or other additional hardware. Yonomi magically finds and enhances your existing connected devices allowing them to interact with one another in ways never before possible."

Yonomi may start with a free Android app (iOS coming soon), but you still need to buy lights, speakers, thermostats, and other things that are Internet-aware, so you're not going to save much (if anything) over buying a WigWag relay and the rest of what you need to create your own, private Internet of Things. And what about good old X10 and other home control systems? They're still out there, still doing their thing in millions of homes even if they aren't getting all the IoT buzz. In any case, it's nice to see new home automation alternatives coming down the pike, even if their cloudness may make them easier to hack than an old-fashioned appliance like this coffeemaker.

Last week you had a chance to ask Saturday Morning Breakfast Cereal (SMBC) creator and monocle enthusiast Zach Weiner about his comics, reading classy, and his other projects. Below you'll find his answers to your questions.

Tom Henderson, Principal Researcher at ExtremeLabs Inc., is not a cloud fan. He is a staunch privacy advocate, and this is the root of his distrust of companies that store your data in their memories instead of yours. You can get an idea of his (dis)like of vague cloud privacy protections and foggy vendor service agreements from the fact that his Network World columnn is called Thumping the Clouds. We called Tom specifically to ask him about a column entry titled The downside to mass data storage in the cloud.

Today's video covers only part of what Tom had to say about cloud privacy and information security, but it's still an earful and a half. His last few lines are priceless. Watch and listen, or at least read the transcript, and you'll see what we mean.