Jacob Kohn

Data + Maps + Apps
MIT | Urbanist | Social Impact Entrepreneur

[Jacob Kohn @jaanekaraster]

#30DayMapChallenge | #Day4 | #Hexagons
🇺🇸 Voter Registrations as % of total town population in Massachusetts, USA (2024)

Source: MA Secretary of State Voter Enrollment Count (Aug 2024)
@SecretaryOfMass @VotingInMass #Election2024
#votingmatters #vote2024

[Jacob Kohn @jaanekaraster]

#30DayMapChallenge | #Day3 | #Polygons
"Kedi-koy Kitties"
Use the😺Cat Scanner😺 to find Istanbul's hidden cats!
👉https://t.co/lEsVmXD7MW
(v1💻 only)

@inaturalist @kedicidergisi @CatsofIstanbul #kedi #cat #İstanbul #Turkiye #istanbulkedileri #kedici

[Jacob Kohn @jaanekaraster]

#Day2 of the #30DayMapChallenge: #Lines 📏

Explore data on US seafood imports and the percentage sourced from potentially illegal, unreported, and unregulated fishing (IUU) to help you make more informed decisions! #USITC @FAOstatistics

🐠https://t.co/suuB0v8nza

[Jacob Kohn @jaanekaraster]

Back for another edition of the #30DayMapChallenge. 📍 Day 1: Points
Mapping air/artillery strikes in the Ukraine conflict, Jan - Nov 2024
Source: @ACLEDINFO

[Jacob Kohn @jaanekaraster]

#Day30 of the #30DayMapChallenge: Favorite Map

🐍 Beyond Parseltongue: Harry Potter Translations

Did you know that #HarryPotter is available in Latin, Yiddish, and Ancient Greek?

🌍 Explore each book cover + #translation w/ @felt: https://t.co/NPb01nJ3pC

#QGIS #Wikipedia

[Jacob Kohn @jaanekaraster]

#Day29 of the #30DayMapChallenge: Population
☀️🌖🌗🌘🌑
How many people will be able to simply look up and see the #unitedstates 2024 #eclipse?

🌎 Explore the #Solareclipse path w/ @felt: https://t.co/RLhSi01z30

@NASA @openstreetmap #osm

[Jacob Kohn @jaanekaraster]

#Day28 of the #30DayMapChallenge: Chart or Map

🏰 "#StarWars": Protecting #cities with...shapes?

Bastion "star" forts + star map (or chart?) made in #Excel

🗺 @felt map: https://t.co/oq4RYlT4H8
Geocoded w/ #wikipedia + semi-trusted #chatgpt

#forts #militaryhistory #dataviz

[Jacob Kohn @jaanekaraster]

#Day27 of the #30DayMapChallenge: Dots

🚗 It's tough to be a driver in #DC; >108K parking violations in June 2023!

🗺 @felt map: https://t.co/P1BibOk5u4

Source: Open Data DC
Made w/ #QGIS, @tjukanov w/ #geogiffery, #Python, #Excel
@DDOTDC @DCDPW @DataVizDC @opendatadc

[Jacob Kohn @jaanekaraster]

#Day26 of the #30DayMapChallenge: Minimal

#MUJI is known for its "minimalist" aesthetic. Explore the @felt map to discover its 4 locations in #India!

🗺 https://t.co/1o5RLZ5GE7

@muji_net #minimalism #Japan

[Jacob Kohn @jaanekaraster]

#Day25 of the #30DayMapChallenge: Antarctica

Is real-life "dust" (#HisDarkMaterials) revealing a portal to a parallel "anti-verse," where time flows backwards?

See two possible entry points in the map below, based on observations by #ANITA

@BAS_News @uw_icecube

[Jacob Kohn @jaanekaraster]

#Day24 of the #30DayMapChallenge: Black & White
🔲🔳🔲🔳🔲🔳🔲🔳🔲
Let's count the number of #zebracrossings in "White Russia" (#Belarus) and "Black Mountain" (#Montenegro).
🗺 @felt map: https://t.co/0M9Hgf5EMF

Made with #OpenStreetMap (#zebras🦓 not included)

[Jacob Kohn @jaanekaraster]

#Day23 of the #30DayMapChallenge: 3D

Added locations of #TheRingsOfPower to a 3D digital elevation model map (courtesy of https://t.co/zttQY5XoLc), then finalized in #QGIS

#LOTR #Tolkien #LordOfTheRings @LOTRonPrime @LOTRUpdates

[Jacob Kohn @jaanekaraster]

#Day22 of the #30DayMapChallenge: North is not always up

🧭1000 years ago, the #globalSouth was the #globalnorth!

I georeferenced a German translation of al-Idrisi's 1154 Arabic-language map and put it on @felt

🗺 Explore here: https://t.co/GjDXD1Icfs

[Jacob Kohn @jaanekaraster]

#Day21 of the #30DayMapChallenge: Raster

Can you put these states in their proper places?

With @felt, you can import, move and scale images all over the map!

🧩 Solve the @felt puzzle or create your own #UnitedStates: https://t.co/40r0RqUTGS

@DavidRumseyMaps

[Jacob Kohn @jaanekaraster]

#Day20 of the #30DayMapChallenge: Outdoors

When hiking in the Western Ghats of #India, always:
- Carry more💧than you think you need
- Plan your hike to be under🌳by high noon

Did neither, thankful to be alive 🙏🏻
🗺 @felt map: https://t.co/6u2kyfDndp

[Jacob Kohn @jaanekaraster]

#Day19 of the #30DayMapChallenge: 5-Minute Map

Did you know that people in #Iceland sometimes speak "on inhalation"--that initial unconscious breath we take when opening our mouths to speak?
More at https://t.co/PNRO29W6Xv

Made with #Procreate

[Jacob Kohn @jaanekaraster]

#Day18 of the #30DayMapChallenge: Atmosphere

Taking an atmosphere-level view using #landsat, we can see the shifting course of the #Brahmaputra river over 20 years.

Source: Landsat TM-ETM-OLI 2003-2023, #python #geemap

[Jacob Kohn @jaanekaraster]

#Day17 of the #30DayMapChallenge: Flow

Mapping trans-Atlantic slave trade proved more difficult than expected, forcing geocoding/Python routing algorithms to play nice together. #QGIS Shapetools to the rescue!

🗺 Map w/ @felt: https://t.co/9Ag6dnEUR4
Data from @slavevoyages

[Jacob Kohn @jaanekaraster]

#Day16 of the #30DayMapChallenge: Oceania

#Oppenheimer marked the start of the nuclear age--tests which led to the forced #migration of Pacific Islander populations + the contamination of marine life across the region.

🗺 Map w/ @felt: https://t.co/DQp3RqI8wG
@SprepChannel

[Jacob Kohn @jaanekaraster]

#Day15 of the #30DayMapChallenge: OSM

Where can commuters walk <1 km to access #mumbaimetro?

🗺 Explore with the @felt map: https://t.co/r6fVdlWiem

#OpenStreetMap #mumbai @MMMOCL_Official @MMRDAOfficial