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Numbers - Blog Posts
i want lowercase numbers just like we have lowercase and uppercase letters.
i want the same flexibility of expression with numbers as i do with letters.
i want to show in texts when i’m whispering numbers
We forgot eleven.
Every single odd number has an “e” in it.
In the remote Arctic almost 30 years ago, a group of Inuit middle school students and their teacher invented the Western Hemisphere’s first new number system in more than a century. The “Kaktovik numerals,” named after the Alaskan village where they were created, looked utterly different from decimal system numerals and functioned differently, too. But they were uniquely suited for quick, visual arithmetic using the traditional Inuit oral counting system, and they swiftly spread throughout the region. Now, with support from Silicon Valley, they will soon be available on smartphones and computers—creating a bridge for the Kaktovik numerals to cross into the digital realm.
Today’s numerical world is dominated by the Hindu-Arabic decimal system. This system, adopted by almost every society, is what many people think of as “numbers”—values expressed in a written form using the digits 0 through 9. But meaningful alternatives exist, and they are as varied as the cultures they belong to.
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Age, you will catch up to your parents!
Okay - math - right?
If your mom was 20 when she bore you, you are 20 years younger than your mom. Right when you were born, she was like infinity times older than you. But then when you are 10, she is now 30. And she is only 3 times older than you. Then 10 years later you are 20, and she is 40, she is only 2 times older than you. Which means while you are always 20 years apart, you are actually decreasing the age gap.
When you are 30 she is 50 = 5/3rds
When you are 40 she is 60 = 1.5
When you are 50 she is 70 = 7/5ths
When you are 100 she is 120= 1.2
When you return to dust and fossils at 1000 she is 1020 = 1.02
Which means you’ll always be 20 years apart, but the percentage of difference is a horizontal asymptote at 1. Epiphany.
Did somebody say space laser?
We’re set to launch ICESat-2, our most advanced laser instrument of its kind, into orbit around Earth on Sept. 15. The Ice, Cloud and land Elevation Satellite-2 will make critical observations of how ice sheets, glaciers and sea ice are changing over time, helping us better understand how those changes affect people where they live. Here’s 10 numbers to know about this mission:
One Space Laser
There’s only one scientific instrument on ICESat-2, but it’s a marvel. The Advanced Topographic Laser Altimeter System, or ATLAS, measures height by precisely timing how long it takes individual photons of light from a laser to leave the satellite, bounce off Earth, and return to ICESat-2. Hundreds of people at our Goddard Space Flight Center worked to build this smart-car-sized instrument to exacting requirements so that scientists can measure minute changes in our planet’s ice.
Sea ice is seen in front of Apusiaajik Glacier in Greenland. Credit: NASA/JPL-Caltech/Jim Round
Two Types of Ice
Not all ice is the same. Land ice, like the ice sheets in Greenland and Antarctica, or glaciers dotting the Himalayas, builds up as snow falls over centuries and forms compacted layers. When it melts, it can flow into the ocean and raise sea level. Sea ice, on the other hand, forms when ocean water freezes. It can last for years, or a single winter. When sea ice disappears, there is no effect on sea level (think of a melting ice cube in your drink), but it can change climate and weather patterns far beyond the poles.
3-Dimensional Earth
ICESat-2 will measure elevation to see how much glaciers, sea ice and ice sheets are rising or falling. Our fleet of satellites collect detailed images of our planet that show changes to features like ice sheets and forests, and with ICESat-2’s data, scientists can add the third dimension – height – to those portraits of Earth.
Four Seasons, Four Measurements
ICESat-2’s orbit will make 1,387 unique ground tracks around Earth in 91 days – and then start the same ground pattern again at the beginning. This allows the satellite to measure the same ground tracks four times a year and scientists to see how glaciers and other frozen features change with the seasons – including over winter.
532 Nanometer Wavelength
The ATLAS instrument will measure ice with a laser that shines at 532 nanometers – a bright green on the visible spectrum. When these laser photons return to the satellite, they pass through a series of filters that block any light that’s not exactly at this wavelength. This helps the instrument from being swamped with all the other shades of sunlight naturally reflected from Earth.
Six Laser Beams
While the first ICESat satellite (2003-2009) measured ice with a single laser beam, ICESat-2 splits its laser light into six beams – the better to cover more ground (or ice). The arrangement of the beams into three pairs will also allow scientists to assess the slope of the surface they’re measuring.
Seven Kilometers Per Second
ICESat-2 will zoom above the planet at 7 km per second (4.3 miles per second), completing an orbit around Earth in 90 minutes. The orbits have been set to converge at the 88-degree latitude lines around the poles, to focus the data coverage in the region where scientists expect to see the most change.
800-Picosecond Precision
All of those height measurements come from timing the individual laser photons on their 600-mile roundtrip between the satellite and Earth’s surface – a journey that is timed to within 800 picoseconds. That’s a precision of nearly a billionth of a second. Our engineers had to custom build a stopwatch-like device, because no existing timers fit the strict requirements.
Nine Years of Operation IceBridge
As ICESat-2 measures the poles, it adds to our record of ice heights that started with the first ICESat and continued with Operation IceBridge, an airborne mission that has been flying over the Arctic and Antarctic for nine years. The campaign, which bridges the gap between the two satellite missions, has flown since 2009, taking height measurements and documenting the changing ice.
10,000 Pulses a Second
ICESat-2’s laser will fire 10,000 times in one second. The original ICESat fired 40 times a second. More pulses mean more height data. If ICESat-2 flew over a football field, it would take 130 measurements between end zones; its predecessor, on the other hand, would have taken one measurement in each end zone.
And One Bonus Number: 300 Trillion
Each laser pulse ICESat-2 fires contains about 300 trillion photons! Again, the laser instrument is so precise that it can time how long it takes individual photons to return to the satellite to within one billionth of a second.
Learn more about ICESat-2: https://www.nasa.gov/icesat-2
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.
Our Cassini spacecraft has been traveling in space for almost 20 years, exploring Saturn, its rings and even some of its moons. This mission has revealed never-before-seen events that are changing our understanding of how planetary systems form and what conditions might lead to habitats for life.
Cassini will complete its remarkable story of exploration with an intentional plunge into Saturn’s atmosphere, ending its mission.
Participate in our Grand Finale Events
Wednesday, Sept. 13
1 p.m. EDT – News Conference from our Jet Propulsion Laboratory with a detailed preview of final mission activities Watch HERE.
Thursday, Sept 14
4:00 - 5:00 p.m. EDT - NASA Social Live Broadcast with mission experts Watch HERE.
Friday, Sept. 15
7:00 – 8:30 a.m. EDT – Live commentary on NASA TV and online of the spacecraft’s final dive into Saturn’s atmosphere. Watch HERE.
Around 8:00 a.m. EDT – Expected time of last signal and science data from Cassini Watch HERE.
9:30 a.m. EDT – Post-mission news conference Watch HERE.
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.
“What a great six! Very sixy!”
-Me, not intentionally making a pun
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FUUUcck WOOORK
Omg today is so stressful!!!! It doesn’t help that I haven’t gotten laid in a week and a half either…
Something tells me I should connect to the internet to get more content
Realized I've never posted my number tier-list here so here ya go! 🔢
Each and every day, in a multitude of ways, our Soul speaks to us. Our Soul speaks to us through nature, other people, events, sounds, words, symbols, dreams, and feelings. This week is about focusing on connecting to the deepest source of who you are: your Soul. Your Soul possesses every answer, every source of wisdom, and every bit of guidance you will ever need: it is your ultimate teacher, and it IS your True Nature beyond all exterior passing forms. What is your Soul trying to tell you? Does it have a special message for you, something you’ve suspected for a while but don’t quite know how to verbalize? This week you may like to incorporate certain tools such as journaling, automatic writing, visualization, dream recall and analysis, meditation, or whatever calls to you to communicate with your Soul. Remember that your Soul can be felt and listened to at ANY moment. Sometimes it calls to you through repeated numbers such as 11:11, 12:12, etc., and various synchronicities. Slow down, be quiet, and open your heart. Only then will you be able to truly listen.
Eight (8) is a natural, cardinal number, preceded by 7 and followed by 9. It is the cube of the number 2, and is reckoned by some to the the first etymologically composite number, with its Proto-Indo-European root oḱtṓw potentially being the dual form of a stem meaning ‘four fingers’. Alternatively, both Proto-Turkic and Finnic had forms for 8 meaning ‘2 before 10’ or ‘without 2’ (as in fingers). It is the first number to be neither prime nor semi prime, and is the only non-trivial Fibonacci number to be a perfect cube.
The numeral 8 is Arabic in origin, which in turn came from the Brahmi numeral └┐. The infinity symbol (∞), whilst superficially similar, is unrelated, but likely comes from the Roman numeral CIƆ, meaning 1000. This system of writing, known as Apostrophus, is less widely known than the standardised M, which is usually taught to children as the only way Romans displayed the number 1000. Alternatively, ∞ could be derived from the final Greek letter, Omega (ω). In either case, it is unrelated to the numeral 8.
I miss the world before AI image generation
Secondly, I also miss the world where AI image generation was just incoherent blobs and obvious fakes
Thirdly, I miss when I had a spark in my eye