Zenith’s New Watch Oscillator Is Making Waves

October 9, 2017 by 47 Comments

Swiss watchmaker Zenith has created what many mechanical watch fanatics are calling the biggest improvement to mechanical watch accuracy since the invention of the balance spring in 1675. The Caliber ZO 342 is a new type of harmonic oscillator that runs at 15 Hz, which is almost four times the speed of most watches. The coolest part? It’s fabricated out of silicon using Deep Reactive Ion Etching (DRIE), and it single-handedly replaces about 30 components.

Before explaining how Zenith’s oscillator works and why this is such exciting news, it’s important to understand why the balance spring and balance wheel were such a big step forward when they were the newest thing. The system was invented by [Christiaan Huygens], a Dutch mathematician and scientist. [Huygens] had previously invented the pendulum clock, which is widely accepted as the first precision timepiece.

Continue reading “Zenith’s New Watch Oscillator Is Making Waves” →

This 3D Printer Enclosure Takes Ventilation Seriously

October 9, 2017 by 17 Comments

A lot of work has gone into hacking common items (like IKEA Lack tables) into useful and effective 3D printer enclosures, but [Stefan.Lu] has taken a harder look at the whole business. He decided to start with some specific goals that were unmet by current solutions. In particular, he wanted to allow for proper ventilation and exhaust. Not only do some filaments smell bad, but there is ongoing research around UFP (ultra-fine particles) emitted from the 3D printing process. Just in case UFPs turn out to be this generation’s asbestos or something equally terrible, [Stefan.Lu] felt that a bit more work and expense up front would be worth it to meet his goals of a ventilation-friendly enclosure.

In addition to ventilation and exhaust, [Stefan.Lu] wanted to locate the printer at a comfortable working height, and preferred not to build things entirely from scratch. He did it for well under $200 by using a common storage rack shelf as the foundation and acrylic panels for the sides, and a few thoughtful uses of basic hardware. The angled metal supports made for easy attachment points and customization, and a combination of solid shelf plus anchoring to the wall put an end to vibrations. The side panels are secured by magnets, and [Stefan.Lu] points out that if you don’t have access to a laser cutter, cast acrylic withstands drilling and cutting better than extruded acrylic.

The final touch was a fire alarm, which is an excellent precaution. 3D printers are heating elements with multiple moving parts and they often work unattended. It makes sense to have a fire alarm around, or at least not enclose the device in highly flammable material in the first place.

Our Reactions To The Treatment Of Robots

October 9, 2017 by 80 Comments

Most of us have seen employees of Boston Dynamics kicking their robots, and many of us instinctively react with horror. More recently I’ve watched my own robots being petted, applauded for their achievements, and yes, even kicked.

Why do people react the way they do when mechanical creations are treated as if they were people, pets, or worse? There are some very interesting things to learn about ourselves when considering the treatment of robots as subhuman. But it’s equally interesting to consider the ramifications of treating them as human.

The Boston Dynamics Syndrome

Atlas being pushed
Spot being kicked

Shown here are two snapshots of Boston Dynamics robots taken from their videos about Spot and Atlas. Why do scenes like this create the empathic reactions they do? Two possible reasons come to mind. One is that the we anthropomorphize the human-shaped one, meaning we think of it as human. That’s easy to do since not only is it human-shaped but the video shows it carrying a box using human-like movements. The second snapshot perhaps evokes the strongest reactions in anyone who owns a dog, though its similarity to any four-legged animal will usually do.

Is it wrong for Boston Dynamics, or anyone else, to treat robots in this way? Being an electronic and mechanical wizard, you might have an emotional reaction and then catch yourself with the reminder that these machines aren’t conscious and don’t feel emotional pain. But it may be wrong for one very good reason.

Continue reading “Our Reactions To The Treatment Of Robots” →

Project Loon Will Float LTE To Puerto Rico

October 9, 2017 by 18 Comments

Some of the biggest names in technology have offered their help in rebuilding Puerto Rico’s infrastructure. The newest name on the list? The X division of Alphabet, who want to help fill the huge communications gap using Project Loon, their high-altitude balloon network. It looks like X is going to get their wish, as they have just been granted license from the FCC to deploy LTE cell coverage to both Puerto Rico and the US Virgin Islands.

The plan is to launch 30 balloons that will act as a network of floating cell towers to radiate an LTE signal originating from the ground. This coverage would be a great boon to a devastated communications infrastructure, but it won’t be a cakewalk to implement. Some handsets of both major persuasions will require a temporary over-the-air update before they can use Project Loon’s network. For phones that can’t operate on Band 8, it won’t work at all. Even so, it’s a great start.

Now you would think that an emergency communications restoration plan like this would be met by all parties with open arms and a circle of pats on the back, but this solution requires a lot of cooperation. One of the major hurdles was to secure spectrum rights from some if not all of the incumbent wireless carriers. Miraculously, eight of them have agreed to hand over their bandwidth. Another issue is that the FCC license is only good for six months, although they would probably entertain an extension given the circumstances. Finally, the dual ownership of the Virgin Islands makes the situation even more complicated, as X must agree not to infringe upon the wireless coverage footprint of the British Virgin Islands.

Via r/Futurology

Trading Bird Food For Cigarette Butts

October 9, 2017 by 98 Comments

Positive reinforcement is the process of getting someone to understand their actions result in a reward. Children get a sweet treat when they pick up all their toys and older ones might get some cash for mowing the lawn. From the perspective of the treat-giver, this is like turning treats into work. A Dutch startup wants to teach the crow population to pick up cigarette butts in exchange for bird treats.

The whole Corvidae family of birds is highly intelligent so it shouldn’t be a problem training them that they will get a reward for depositing something the Hominidae family regularly throw on the street where the birds live. This idea is in turn an evolution of the open-source Crow Box.

For some, leveraging the intelligence of animals is more appealing than programming drones which could do the same thing. A vision system mixed with a drone and a manipulator could fulfull the same function but animals are self-repairing and autonomous without our code. The irony of this project is that, although it’s probably fairly easy to train crows to recognize cigarette butts, the implementation hinges on having a vision system that can recognize the butts in order to properly train the crows in the first place.

If we had the time to train crows, it would definitely be to poop on cars that don’t signal for turns. Maybe some of these winged devices can be programmed to recognize lapses in traffic laws in exchange for some electrons.

Thank you, [jo_elektro], for the tip.

 

Global Thermonuclear War: Tweeted

October 8, 2017 by 22 Comments

[Andreas Spiess] did a video earlier this year about fallout shelters. So it makes sense now he’s interested in having a Geiger counter connected to the network. He married a prefabricated counter with an ESP32. If it were just that simple, it wouldn’t be very remarkable, but [Andreas] also reverse-engineered the schematic for the counter and discusses the theory of operation, too. You can see the full video, below.

We often think we don’t need a network-connected soldering iron or toaster. However, if you have a radiological event, getting a cell phone alert might actually be useful. Of course, if that event was the start of World War III, you probably aren’t going to get the warning, but a reactor gas release or something similar would probably make this worth the $50.

Continue reading “Global Thermonuclear War: Tweeted” →