Last week we challenged you to post your idea on environment-related solutions for the 2015 Hackaday Prize. We’ve gone through every entry and have chosen this week’s winners. What a tough process, there are so many interesting ideas to consider that we’ve done a round-up of some that held our attention.
Conservation was at the center of these projects and [Peter Walsh] is thinking large scale to improve the Bosch-Haber process. This process is used as a source of nitrogen for fertilizers and consumes 1% of all energy worldwide. Even small efficiency advances could have a huge effect.
From profound to whimsical, [TomaCzar] has an alarming solution to leaving the lights on. We enjoy his preamble about his family moving to Earth from a planet with unlimited energy (hence their habit of leaving the lights on). He plans to add an audible alarm to any light that is switched on for more than 10 minutes.
Those huge solar farms that use arrays of mirrors to focus the sun’s light on a central tower leverage a techique called Concentrated Solar Power. Traditionally they store heat in a pool of liquid salt for generating power around the clock. [PUNiSH3R] has a plan to build his own on a micro-scale. The Portable Micro-CHP will use similar concepts (less the molten salt) in a package small enough to be transported by a single human.
Undeveloped parts of the planet have huge problems when it comes to bootstrapping an electrical grid. [hickss] thinks blimps might be one way to alleviate the problem. The DayBreaker project will tether blimps to the ground, with a hydrogen feed supplied through electrolysis which keeps them afloat. While high in the air they can catch higher winds using a turbine and transfer the electricity back to the ground using the same tether.
Rounding out energy producing examples is the Domestic Geothermal Stirling Power Unit. We’ve seen geothermal systems that use heat exchangers to heat or cool your home. [Shrad] ponders the idea of also using the loops of circulating fluid to feed a Stirling engine that could help supply power to the home.
Way Out There Ideas
There were a number of interesting concepts that we think are well worth considering and debating. It’s hard to say if these are all feasible, but tossing the ideas around is just the kind of interaction that could lead to a big breakthrough. For instance, the image seen here is a freshly paved and painted asphalt parking lot. Asphalt Heat Harvesting imagines the Peltier effect being used on a large scale by embedding metal networks between layers of the pavement. A heat differential between the surface and the base layer could produce electricity.
We’re at a loss for understanding how the Open Source Modular Absorption Refrigeration Unit actually works. It seeks to supply refrigeration using a heat source instead of electricity. The diagram looks promising and we think OSMARU is a solid acronym!
Remember The Hunt for Red October? If so, you certainly remember the caterpillar drive which made the submarine virtually silent. [N-Monkeys] wants to use that and ocean water as a generator rather than a locomotive device. Check out Project InchWorm.
This Week’s Winners
Congratulations to all three! We think it’s important to mention we are judging the idea on its ability to solve something affecting a wide range of people, its level of innovation, and the feasibility of the concept. There is no requirement at this point to have built anything or completed the documentation. Don’t be afraid to write down your own brainstorm… it might just win you a prize!
Next Week’s Theme
We’ll announce next week’s theme a bit later today. Don’t let that stop you from entering any ideas collection of entries may have inspired.
This week’s theme is Aging in Place. Check out the announcement post for details.
Coming up with that killer concept is a matter to thinking in different ways and interacting with other Hackers, Designers, and Engineers to help make the mental leap to greatness!