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The 11 most dangerous volcanoes in California, ranked
Business Insider   07 November 2018   USA   California  
U.S. Geological Survey via Getty Images
<p>In October, the US Geological Survey released a new report detailing the relative threats posed by volcanoes in the United States. It was the first updated threat assessment since 2005, and officials will use the data to prioritize volcanoes for research ...
Norway may build the world's first tunnel for ships
Business Insider   16 March 2017   Norway   Europe  
A rendering of the Stad Ship Tunnel in Norway_Norwegian Coastal Administration
<p>Stretching over 15 miles, Norway's Lærdal Tunnel has been the longest road tunnel in the world since it was built in the 1990s. <br><br>Now, the country is trying to construct the world's first tunnel for ships — which would see between 70 and 120 vessels ...
Filed under: Construction News
How Greek Eratosthenes calculated earth circumference
Business Insider   31 October 2016   Greece   Europe  
Eratosthenes (source:thefamouspeople.com)
<p>In the mid-20th century we began launching satellites into space that would help us determine the exact circumference of the Earth: 40,030 km. But over 2000 years earlier, a man in Ancient Greece came up with nearly the exact same figure using just a stick ...
DEUTSCHE BANK: Africa is becoming a much safer place — and that's good news for miners
Business Insider   22 October 2015   Africa   Africa  
United Nations-African Union Mission in Darfur (UNAMID) peacekeepers from Nigeria on patrol, March 16, 2008.
<p>Excitement about investment opportunities in Africa is often considered to be a sign of a market that has reached its zenith. With no low-hanging fruit in developing Asia or the advanced economies, analysts desperately turn to markets which have always ...
Filed under: Mining News
Switzerland has completed construction on the world's longest tunnel
Business Insider   25 August 2015   Switzerland   Swiss Alps  
Switzerland has completed construction on the world's longest tunnel Arnd Wiegmann/Reuters
<p>The Swiss Alps are an unforgiving landscape of rugged, rocky peaks and lush, green valleys. Connecting communities that would be otherwise isolated by the vast mountain range &mdash; including cultural and economic hubs like Zurich, Milan, and Turin &mdash; ...
Filed under: Construction News