The voice you can hear above is Alexander Graham Bell, inventor of the telephone. Bell's voice, not likely heard anywhere since he died in 1922, was retrieved from a wax-and-cardboard disc recorded on April 15, 1885 and recently "played" for the first time in more than a century. That's the disc above, looking strangely similar to a CD. The recording was identified and digitized by a team including researchers from the National Museum of American History, Lawrence Berkeley National Laboratory, and the Library of Congress. In the clip above, Bell says "Hear my voice, Alexander Graham Bell." You can listen to nearly five minutes more of the recording session below. (via Smithosnian and The Atlantic)

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Over at Fast Company, our pal Chris Arkenberg wrote about how advances in synthetic biology and biomimicry could someday transform how we build our built environments:

Innovations emerging across the disciplines of additive manufacturing, synthetic biology, swarm robotics, and architecture suggest a future scenario when buildings may be designed using libraries of biological templates and constructed with biosynthetic materials able to sense and adapt to their conditions. Construction itself may be handled by bacterial printers and swarms of mechanical assemblers.

Tools like Project Cyborg make possible a deeper exploration of biomimicry through the precise manipulation of matter. David Benjamin and his Columbia Living Architecture Lab explore ways to integrate biology into architecture. Their recent work investigates bacterial manufacturing--the genetic modification of bacteria to create durable materials. Envisioning a future where bacterial colonies are designed to print novel materials at scale, they see buildings wrapped in seamless, responsive, bio-electronic envelopes.

When bombs exploded at the Boston Marathon on Monday, my Facebook feed was immediately filled with urgent messages. I watched as my friends and family implored their friends and family in Boston to check in, and lamented the fact that nobody could seem to get a solid cell phone connection. Calls were made, but they got dropped. More often, they were never connected to begin with. There was even a rumor circulating that all cell phone service to the city had been switched off at the request of law enforcement.

That rumor turns out to not be true. But it is a fact that, whenever disaster strikes, it becomes difficult to reach the people you care about. Right at the moment when you really need to hear a familiar voice, you often can't. So what gives?

To find out why it's frequently so difficult to successfully place a call during emergencies, I spoke with Brough Turner, an entrepreneur, engineer, and writer who has been been working with phone systems (both wired and wireless) for 25 years. Turner helped me understand how the behind-the-scenes infrastructure of cell phones works, and why that infrastructure gets bogged down when lots of people are suddenly trying to make calls all at once from a single place. He says there are some things that can be done to fix this issue, but, ultimately, it's more complicated than just asking what the technology can and cannot do. In some ways, service failures like this are a price we pay for having a choice and not being subject to a total monopoly.

I love Bruce Sterling's "Design Fiction Slider-Bar of Disbelief," a list of fictions in ascending order of credibility:

9.4 New age crystals, lucky charms, protective pendants, mojo hands, voodoo dolls, magic wands

9.3 Quack devices, medical hoaxes

9.3 Fantasy “objects” in fantasy cinema and computer-games

9.2 Physically impossible sci-fi literary devices: time machines, humanoid robots

9.2 Perpetual motion machines; free-energy gizmos, other physically impossible engineering fantasies

9.0 State libels, black propaganda, military ruses; missile gaps, vengeance weapons, Star Wars SDI

8.9 “Realplay” services, “experiential futurism” encounters, military and emergency training drills, props and immersive set-design, scripted personas

8.8 Online roleplaying scenario games

8.7 Net.art interventions, diegetic performance art, provocative device-art scandals

8.6 Guerrilla street-theater; costumes, puppets, banners, songs, lynchings-in-effigy, mock trials, mass set-designed Nuremberg rallies, propaganda trains

8.5 Fake products, product forgeries, theft-of-services, con-schemes, 419 frauds

Spoiler alert: the list ends with these:

1.0 Engineering specifications, software code

0.5 Historical tech assessment of extinct technologies, the “judgement of history’

0.0 The ideal and unobtainable “objective truth” about objects and services

Design Fiction: The Design Fiction Slider-Bar of Disbelief