Bitcoin recently turned 10 years old. In that time, it has proved revolutionary because it ignores the need for modern money's institutions to verify payments. Instead, Bitcoin relies on cryptographic techniques to prove ...
Internet
Nov 7, 2018
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36
In power electronics, semiconductors are based on the element silicon—but the energy efficiency of silicon carbide would be much higher. Physicists of the University of Basel, the Paul Scherrer Institute and ABB explain ...
Condensed Matter
Sep 5, 2019
3
53
In a world where energy consumption is on the rise, our only hope is the development of new energy-generation technologies. Although currently used renewable energy sources such as wind and solar energy have their merits, ...
Materials Science
Jul 18, 2019
4
257
(PhysOrg.com) -- Remote central locking is among the most convenient aspects of modern motoring. Transmission of the radio signal that activates the system is not particularly secure, however. A new encryption technique increases ...
Engineering
Feb 1, 2010
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0
Drexel engineers have found a way to improve upon ordinary Portland cement (OPC), the glue that's bonded much of the world's construction since the late 1800s. In research recently published in Cement and Concrete Composites ...
Engineering
Feb 21, 2012
2
0
Body implants such as pacemakers and hearing aids have been used to counter organ dysfunction for decades. The WISERBAN project is making a giant leap in their development: aiming to provide smarter communications among such ...
Electronics & Semiconductors
Jul 18, 2013
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0
A new type of nanoscale engine has been proposed that would use quantum dots to generate electricity from waste heat, potentially making microcircuits more efficient.
Nanophysics
Feb 14, 2013
1
0
Energy consumption is growing rapidly in the 21st century, with rising energy costs and sustainability issues greatly impacting the quality of human life. Harvesting energy directly from sunlight to generate electricity using ...
Optics & Photonics
Aug 14, 2013
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0
Water-saving measures in California have also led to substantial reductions in greenhouse gas (GHG) emissions and electricity consumption in the state.
Environment
Jan 12, 2018
1
347
Competition is fierce in the automobile industry. Worldwide overcapacity has created price pressures that are particularly challenging for manufacturers that are already having a tough time managing their overall productivity ...
Engineering
Apr 12, 2013
0
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