This is a day in the life of the Shaw family in the summer of 1999 as the Philco-Ford Corporation imagined it from the space-age optimism of 1967. It begins with Karen Shaw and her son, James. They’re at the beach, building a sand castle model of their modular, hexagonal house and discussing life. Ominous music plays as they return in flowing caftans to their car, a Ford Seatte-ite XXI with its doors carelessly left open. You might recognize Karen as Marj Dusay, who would later beam aboard the USS Enterprise and remove Spock’s brain.
The father, Mike Shaw, is an astrophysicist working to colonize Mars and to breed giant, hardy peaches in his spare time. He’s played by iconic American game show host Wink Martindale. Oddly enough, Wink’s first gig was hosting a Memphis-based children’s show called Mars Patrol. He went on to fame with classics such as Tic Tac Dough, Card Sharks, Password Plus, and Trivial Pursuit.
Mike calls up some pictures of the parent trees he’s using on a screen that’s connected to the family computer. While many of today’s families have such a device, this beast is almost sentient. We learn throughout the film that it micromanages the family within an inch of their lives by keeping tabs on their physiology, activities, financial matters, and in James’ case, education.
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Looking for a new way to power your Raspberry Pi? The raspberryHy project aims to develop a small fuel cell designed for powering the credit card sized computer. It adds a proton exchange membrane (PEM) fuel cell, a battery, and custom control electronics to the Pi.
The system takes hydrogen in from a compressed hydrogen cartridge and feeds it through a regulator. This passes the hydrogen into the PEM fuel cell at the correct pressure, and creates a potential. The control electronics boost that voltage up to the 5 V required on the Pi’s USB port. There’s also an electronically controlled purge valve which periodically exhausts the fuel cell.
There’s a few reasons you might want to run your Pi with hydrogen. Run time of the fuel cell is limited only by the amount of hydrogen you can store. In theory, you could connect a large cylinder for very long run times. Combined with a battery, this could be quite useful for running Pis in remote locations, or for long-term backup power. The raspberryHy will be presented at Hannover Fair 2014 this month.
Pop a few aluminum bits into this little RC racer and you’ll have power for around forty minutes. This concept, which has been patented, is the result of a college research project. It uses a chemical reaction between aqueous Sodium Hydroxide and aluminum. The result of that reaction is hydrogen, which is gathered and directed to a fuel cell that drives the car.
Novel? Yes. Interesting? Absolutely. But you should be raising an eyebrow at the dubious choice of fuel that is aluminum.
If you don’t know what we’re talking about let us paint you a picture. Aluminum is a metal that is refined from bauxite ore. It takes an immense amount of electricity to smelt the metal. This is usually justified because aluminum is one of the most recyclable substances on earth, capable of being melted down and reformed countless times. But dissolving it in drain cleaner breaks it down and then it’s gone. So what we have here simply must be the least efficient disposable battery so far developed. It’d probably use less resources to grow and harvest lemons as a power source.
Continue reading “Powering vehicles with aluminum”