Above is a map showing the average flow in cubic feet per second for the major rivers in the United States. What is clear is how much water flows through the Mississippi River, especially after the Missouri and Ohio Rivers add to it. Staying with the rivers theme, below is a map displaying the major US rivers as if they were a subway map. Transit along these routes was common before railroads were laid coast-to-coast across the US.
As of 2017, the United States population stands at 324 million – the third largest country in the world by population behind India and China. The population ranges across the nation from state to state, from a high of 39 million in California to a low of 585 thousand in Wyoming. The map above distorts each state’s normal area to display its relative population size. In order words, California population represents 12% of the US total and thus takes up 12% of the map, Texas 8.6%, Florida 6.3%, and so on until Wyoming with 0.18%. The states are color coded by groups of ten with the largest ten in red, the next ten in orange, then yellow, light green, and dark green. California and Texas represent 1/5th of US population and the top 5 states make up 37%. The map below is of the United States as normally displayed, with each state relative to it area.
Above is a map of the world in 1957 with highlights displaying various country alliances – NATO/Western allies in Purple/Light Purple, USSR/Communist countries in Orange/Light Orange, and Muslum countries in Green. The map does a great job displaying the encirclement of allies the US had surrounding the USSR, known as the US’s strategy of containment (seeking to prevent the spread of communism to other countries).
Above is a map of how non-Hispanic white men and women voted in the 2016 presidential election. Only two states voted democratic in every county – Massachusetts and Hawaii. Compare that to several states which voted Republican in every country (such as North Dakota, Oklahoma, Arkansas, etc). One interesting side note: despite the majority of white people voting Republican in Nevada (in every county) the state voted Democratic as a whole in last year’s election.
Above is a bar chart displaying the number of research papers published each year on Deep Learning. Two trends are noticeable: One, Deep Learning/Artificial Intelligence research is on the rise across all the most advanced nations in the world and, Two, China and the US are far outpacing the nearest competitor countries. There is also an A.I. patent battle underway being waged mostly in Silicon Valley (Apple, Facebook, Google) and Seattle (Amazon, Microsoft).
(Graphics from MIT Technology Review 2017)
If you’re like me, you been across the US and noticed the various State Highway Marker Shields. The above map displays all of them, positioned over each state. Some have historical/social meaning (California – the shape of a shovel (as in digging for gold), Utah – a beehive (a signal of Mormonism), or Pennsylvania – a keystone, as in the Keystone state that connects the east coast to the mid-west), some are merely the outline of the state shape (Idaho, Arizona, Missouri, etc.), and some have no significance at all (Texas, Montana, Illinois, etc.). What’s your sign?
Above is a map displaying the local sunset time on the summer solstice (June 20th), the longest sunlight day of the year. Time zones are indicated by gray vertical lines. You will notice that ‘local’ sunset time will vary based upon your east-west location within your time zone and also vary depending upon your north-south location within your time zone. Said differently, areas to the northwest within their time zones will have a later local sunset time. For example, eastern Alabama (far southeast) has a local sunset time before 8:00 pm, whereas northwestern North Dakota has a local sunset time close to 10:00 pm (both are in US Central Time Zone). Some areas are so far north that, during the summer months, they experience 24 hours of daylight (and conversely, during the winter months 24 hours of darkness). The map of Europe below also displays the local sunset time on the summer solstice.
Even though President Trump withdrew the United States Federal Government from the Paris Agreement on Climate Change, it doesn’t prevent US States or cities from continuing to uphold the agreement. So far, 13 states have committed to Paris Agreement and ~300 cities (including the all of the top 10 largest cities: NYC, LA, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and San Jose). The map above displays the US states that are currently still in the Paris agreement in blue and the states considering joining the group in green. This group (in blue) made up 32.3% of the US population and 37.6% of US GDP in 2016. Roughly speaking, it can be said that 1/3 of the United States is still part of the Paris Agreement on Climate Change. The map below displays the cities in the agreement (in red) and the USCA in green (as of June 1).
The United States is bound by treaty to protect 25% of the world’s population. These defense treaties (displayed in the map above) are comprised of NATO, OAS, ANZUS, and Bilateral agreements with various countries around the world.
Above is a map displaying the median home prices for cities in the SF Bay Area as of April 2017 on Zillow. The most expensive cities in order are: Palo Alto 2.5 million, Cupertino 1.8m, Mountain View 1.5m, Sunnyvale 1.5m, Redwood City 1.3m, San Francisco 1.2m.
Below is a chart displaying the median home price changes for the four largest cities in the Bay Area since Jan 2012. Home prices have doubled in the past five years with cities such as Oakland up 123%, Mountain View up 112%, and Palo Alto up 103% over the period.