Advances in adapting the technology and better methods for predicting wind conditions have fanned significant growth of the use of wind turbines for electricity in the last 40 years. A new report takes stock of where the field is now and what lies ahead. Researchers surveyed the growth of wind technology as a source of renewable energy and assessed its viability for continuing to capture larger shares of the electricity market.
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September 13, 2019
International sales of iron ore exported by country totaled US$92.6 billion in 2018, declining by -26.3% since 2014 when iron ore shipments were valued at $125.7 billion and shrinking by -0.9% from 2017 to 2018.
From a continental perspective, Oceania led by Australia sold the greatest amount of exported iron ore at 50.4% of the global total. In second place was Latin America (23.6%) excluding Mexico but including the Caribbean trailed by shippers in Europe (7.6%), Asia (7.4%), North America (5.5%) then Africa (5.4%).
August 7, 2019
After two months of sharp declines, energy prices rebounded 2,4% in July; they are currently up 3% for the year.
August 7, 2019
Future wireless data networks will have to reach higher transmission rates and shorter delays, while supplying an increasing number of end devices. Researchers have used ultra-rapid electro-optical modulators to convert terahertz data signals into optical signals.
August 6, 2019
Global sales from cotton exports by country in 2018 totaled US$59.2 billion. Overall, the value of cotton exports decreased by an average -7.8% for all exporting countries since 2014 when cotton shipments were valued at $64.2 billion. Year over year, cotton shipments appreciated by 4.3% from 2017 to 2018.
July 8, 2019
Energy prices plunged 10,7% in June. Combined with a 2,8% drop in May, the selloff has almost wiped out four consecutive months of gains earlier in the year.
July 5, 2019
The growing presence of AI powered everything in our personal lives is quickly creating an enormous population of people who are not only comfortable using voice to operate technology but prefer it.