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Efficiency

Environment

Spectrolab claims record efficiency for new solar cell

Spectrolab, a Boeing subsidiary known for the manufacture of solar cells for satellites and spacecraft, has in recent years turned its attention to terrestrial solar cells to tap into the expanding alternative energy market. Now the California-based company has claimed a new solar cell efficiency record of 37.8 percent for a ground-based multi-junction cell without solar concentration. Read More

Environment

Energy optimization software reduces industrial power consumption

Eco-friendly refrigerators, dishwashers, and laundry machines don't just save you money – they're also better for the environment. Factory automation could reap the same rewards, but optimizing production lines isn't easy. That's where the energy efficiency analysis software, developed by the EU-funded Energy Software Tools for Sustainable Machine Design (ESTOMAD) project, enters the picture.Read More

Science

Nano-sandwich material claimed to boost solar cell efficiency by 175 percent

One of the main reasons that solar cells aren’t more efficient at converting sunlight into electricity is because much of that sunlight is reflected off the cell, or can’t be fully absorbed by it. A new sandwich-like material created by researchers at Princeton University, however, is claimed to dramatically address that problem – by minimizing reflection and increasing absorption, it reportedly boosts the efficiency of organic solar cells by 175 percent. Read More

Telecommunications

Researchers promise doubled wireless spectrum efficiency

Wireless carriers love to talk about a Spectrum Crunch. Like oil, wireless spectrum is a finite resource. Companies like AT&T warn that smartphone proliferation is eventually going to leave those "wells" dry. Carriers' answers to the problem usually involve government (less regulations, and more federally-owned spectrum released). However, researchers at U.C. Riverside have another solution: make those networks more efficient.Read More

Daimler's Predictive Power Control "sees ahead" to help trucks save fuel

Although transport truck drivers routinely shift gears when going up or down hills, those hills can sometimes sneak up on them. Using Daimler’s GPS-enabled Predictive Power Control, however, the new Mercedes-Benz Actros tractor unit will now be able to see those hills coming. This will allow it to automatically change gears before the going gets tough, resulting in fuel savings of up to three percent over moderately difficult topography.Read More

Good Thinking

EBIT system promises stronger, cheaper plastic parts

Many plastic items consist of both blow-molded and injection-molded components that have been welded together. Not only does this require multiple machines and production steps, but the parts may also fail at the weld points. Spanish research center ASCAMM’s new EBIT technology, however, combines the two plastic injection techniques in one process, to efficiently create weld-free parts. Read More

Robotics

Ant behavior inspires more efficient warehouse robots

When it comes to groups that work together to get a job done, ants have pretty much got the process perfected. That’s why computer scientist Marco Dorigo studied the creatures’ behavior, and created his Ant Colony Optimization model – an algorithmic technique that can be applied to human endeavors, when efficiency is the order of the day. Scientists from Germany’s Fraunhofer Institute for Material Flow and Logistics have now applied these algorithms to a swarm of 50 autonomous shuttle robots working in a parts warehouse, in an effort to create a new and better type of materials-handling system.Read More

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