When does spring arrive in the northern hemisphere? It sounds like a simple question. For those of us who still have wall calendars, it’s printed in bold letters on a specific date. If unlike me, you’re fully in the 21st century, your phone or some other connected device typically tells… Read more“Map Monday, When Does Spring Arrive in the US?”
Category: Science
Map Monday, Where are the World’s High-speed trains and How Fast are they?
Trains offered the first form of truly high-speed land transportation. For nearly 100 years they reigned supreme for intercity and longer distance travel. During the first half of the 20th century automobiles and airplanes chipped away at the railway’s monopoly. The advent of jet airplanes and the modern highway system… Read more“Map Monday, Where are the World’s High-speed trains and How Fast are they?”
Map Monday, Lithium Extraction the next Gold Rush?
Is lithium as valuable as gold? Strictly speaking, no. Today’s market quote for gold is $55,643 per kilogram. For that money you can buy nearly 6,000 kilograms of lithium carbonate (99.5%) or lithium hydroxide monohydrate (56.5% pure). So, what’s all the hype about? Basics Lithium is the third element on… Read more“Map Monday, Lithium Extraction the next Gold Rush?”