The Elevation Span of Every Country in the World
View the high resolution version of today’s graphic by clicking here.
Giant countries like Canada or Russia can take their sprawling landmasses for granted, but for smaller oceanic nations, topography takes on greater importance.
In the Indian Ocean, ringed by protective barriers, lies the island city of Malé – the capital of the Maldives. Malé has a thriving tourism industry and is one of the most urbanized islands in the world, but it has one major problem: its elevation (or lack thereof).
Over 80% of the nation’s landmass is below 3.3 ft (1m), leaving it acutely vulnerable to the impacts of climate change. If sea levels continue to rise, the entire chain of islands, including the homes of half a million people, could be submerged in as soon as 30 years.
Breaking out the measuring stick
Today’s data visualization, via Fascinating Maps, is a global breakdown of every country’s elevation span, from the severe mountain peaks that dominate Bhutan’s landscape, to the sweltering Dead Sea depression that runs along the Israel–Jordan border.
By looking at the data, we see interesting patterns and unique situations emerge.
The Power of Zero: The median low-end land elevation of the world’s countries is zero. This is because shoreline typically makes up the lowest portion of a country’s terra firma. It’s easy to spot a landlocked country in the data set, as its lowest elevation is far more likely to be above sea level.
The Lowlands: In general, the smallest countries tend to have the smallest elevation spans, but some countries buck that trend. Denmark, which has a respectable 16,577 quare miles (42,933 sq. km) of land, has an elevation range of only 583 ft (178m). This means the highest point in the country is only 50m taller than its tallest building, Herlev Hospital, near Copenhagen.
The Highlands: Three countries – Nepal, Tajikistan, and Bhutan – have an average elevation that soars above 10,000 ft (3,050m). The latter country has the highest average elevation in the world.
Bhutan Elevation Map:
Supersized Elevation Span: China has the the largest elevation span of any country on Earth. The average elevation of the country skews high, thanks in part to the Tibetan Plateau. A number of the highest permanent settlements in the world exist in this region.
How Many Music Streams Does it Take to Earn a Dollar?
Streaming has breathed new life into the music business, but as new data shows, these services pay out wildly different rates per stream.
How Many Music Streams Does it Take to Earn a Dollar?
A decade ago, the music industry was headed for a protracted fade-out.
The disruptive effects of peer-to-peer file sharing had slashed music revenues in half, casting serious doubts over the future of the industry.
Ringtones provided a brief earnings bump, but it was the growing popularity of premium streaming services that proved to be the savior of record labels and artists. For the first time since the mid-90s, the music industry saw back-to-back years of growth, and revenues grew a brisk 12% in 2018 – nearly reaching $10 billion. In short, people showed they were still willing to pay for music.
Although most forecasts show streaming services like Spotify and Apple Music contributing an increasingly large share of revenue going forward, recent data from The Trichordist reveals that these services pay out wildly different rates per stream.
Note: Due to the lack of publicly available data, calculating payouts from streaming services is not an exact science. This data set is based on revenue from an indie label with a ~150 album catalogue generating over 115 million streams.
Full Stream Ahead
One would expect streaming services to have fairly similar payout rates every time a track is played, but this is not the case. In reality, the streaming rates of major players in the market – which have very similar catalogs – are all over the map. Below is a full breakdown of how many streams it takes to earn a dollar on various platforms:
|Streaming service||Avg. payout per stream||# of streams to earn one dollar||# of streams to earn minimum wage*|
|Google Play Music||$0.00676||147||217,751|
*U.S. monthly minimum wage of $1,472 **Premium tier
Napster, once public enemy number one in the music business, has some of the most generous streaming rates in the industry. On the downside, the brand currently has a market share of less than 1%, so getting a high volume of plays on an album isn’t likely to happen for most artists.
On the flip side of the equation, YouTube has the highest number of plays per song, but the lowest payout per stream by far. It takes almost 1,500 plays to earn a single dollar on the Google-owned video platform.
Spotify, which is now the biggest player in the streaming market, is on the mid-to-low end of the compensation spectrum.
The Payment Pipeline
How do companies like Spotify calculate the amount paid out to license holders? Here’s a look at their payout process:
As this chart reveals, dollars earned from streaming still don’t tell the full story of how much artists receive at the end of the line. This amount is influenced by whether or not the performer has a record deal, and if other contributors have a stake in the recorded work.
The Pressure is Heating Up
When Spotify was a scrappy startup providing a much needed revenue stream to the music industry, labels were temporarily willing to accept lower streaming rates.
But now that Spotify is a public company, and tech giants like Apple and Amazon are in the picture, a growing chorus of industry players will likely dial up the pressure to increase compensation rates.
The Global Fiber Optic Network Explained
An informative look at the global fiber optic network, how the cables actually work, and the technology that will power the 6G network.
The Global Fiber Optic Network Explained
As we scroll through Instagram or cue up another episode on Netflix, most of us give little thought to the hidden network of fiber optic cables that instantaneously shuttle information around the globe.
This extensive network of cables – which could stretch around the Equator 30 times – is the connective tissue that binds the internet, and thanks to our insatiable appetite for video streaming, it’s growing larger with every passing year.
Today’s video, by TED-Ed, explains how fiber optic cables work and introduces the next generation of cables that could drastically increase the speed of data transmission.
A Series of Tubes
The late Senator Ted Stevens drew laughter for describing the internet as a “series of tubes” in 2006, but as it turns out, most of the information moving around the world does, in fact, travel through a series of tubes. Undersea fiber optic tubes, to be exact.
The way this system functions is deceptively simple. Light, which is beamed into a fiber optic cable at a shallow angle, ricochets its way along the tube at close to light speed until being converted back into an electrical signal at its destination – generally a data center. To increase bandwidth further, some cables are able to carry multiple wavelengths concurrently.
Impressively, this simple method of bouncing light through a tube is what moves 99% of the world’s digital information.
The Glass Superhighway
Since the first undersea fiber optic cable, TAT-8, was constructed by a consortium of companies in 1988, the number of cables snaking across the ocean floor has risen dramatically. In fact, over 100 new cables will have been laid between 2016 and 2020, with a value of nearly $14 billion.
Increasing bandwidth requirements have transformed content providers from customers to cable owners. As a result, tech giants like Google and Facebook are taking a more active role in the expansion of the global fiber optic network. Google alone has at least five cable projects set for completion in 2019.
The Last Mile
Much like Amazon struggles with the “last mile” of deliveries, the transmission of digital information is much less efficient at the data center level, where servers are connected by traditional electric cables. These short-range cables are far less efficient than their fiber optic counterparts, losing half their running power as heat.
If this inefficient use of energy isn’t solved, internet-related activity could comprise a fifth of the world’s power consumption by 2030.
Thankfully, a related technology – integrated photonics – could keep the high-definition videos of the future streaming. Although the silicon wires used in integrated photonics do not guide light as effectively as fiber optics, the ultra-thin wires are far more compact. Photonic chips paired with burgeoning terahertz (THz) wireless communications could eventually form the backbone of a 6G network. Short-range THz signals would hitch a ride on silicon wires via tiny photonic chips scattered around population centers.
Before this efficient, high-capacity future is realized, researchers must first solve the puzzle of manufacturing photonic devices at scale. Once this method of data transmission hits the mainstream market, it could drastically alter the course of both computing and global energy consumption.
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