Normally, bare metal sliding against bare metal is not a good thing. Friction will destroy pistons in an engine, for example, without lubrication.
Materials Science
Mar 23, 2017
0
6
Wind offers an immense, never-ending source of energy that can be successfully harnessed to power all of the things that currently draw energy from nonrenewable resources. But wind frequency varies with weather patterns.
Energy & Green Tech
Jan 26, 2017
14
101
How much electricity flows through the grid? When and where? Where are the bottlenecks? What happens when wind turbines and solar cells feed in additional energy? The answer to these questions are essential for the global ...
Energy & Green Tech
Dec 5, 2016
0
4
If wind were a steady, constant stream, wind energy production would be a snap. Trapping its capricious nature requires complex calculations and expert engineering. Predicting wind power requires additional twists and turns.
Earth Sciences
Aug 15, 2016
1
12
China has an opportunity to massively increase its use of wind power—if it properly integrates wind into its existing power system, according to a newly published MIT study.
Energy & Green Tech
Jun 20, 2016
29
229
Technologies from wind turbines to electric vehicles rely on critical materials called rare-earth elements. These elements, though often abundant, can be difficult and increasingly costly to come by. Now, scientists looking ...
Materials Science
Jun 1, 2016
1
6
With more than two years of measurements by ESA's Swarm satellite trio, changes in the strength of Earth's magnetic field are being mapped in detail.
Space Exploration
May 11, 2016
0
50
Danish wind turbines set a new world record by generating nearly half of all the electricity consumed by the Scandinavian country in 2015, an official from state-owned Energinet.dk said Monday.
Energy & Green Tech
Jan 18, 2016
4
237
If every other passenger car in Norway is plugged into the electric network by 2020, Europe will have to produce more electricity – mainly from coal-fired power plants – to meet the demand. But it will be a plus for the ...
Environment
Dec 18, 2015
0
10
Seasonal and daily patterns of electricity consumption follow almost identical forms everywhere. Demand is low in the middle of the night when the bulk of humanity is sleeping and it peaks either in the middle of the day ...
Energy & Green Tech
Dec 14, 2015
2
74
