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33 events found.

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  • November 2025
  • Sun 9
    A king penguin head. Photo taken at Edinburgh Zoo, Scotland.
    November 9 @ 11:30 am - 12:30 pm 🐧 Linux Lab

    🐧 E-Z Command-Line Encryption with OpenSSL

    Iffy Books 404 S. 20th St., Philadelphia, United States

    At this workshop you'll learn to create passphrase-protected files using OpenSSL, a command-line program that's probably already installed on your computer. With this technique you can send encrypted files via email/Dropbox, then share the passphrase with the recipient on a secure channel (e.g., Signal). Useful for avoiding surveillance & data mining! Save message: echo "My […]

  • Tue 11
    Flyer with a green background and the following text: The Writing Room @ Iffy Books / Every Tuesday 5-7:30 PM / Come co-work with other writers in three 4-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.
    November 11 @ 5:00 pm - 7:30 pm ✏️ The Writing Room

    ✏️ The Writing Room

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come co-work with other writers in three 40-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.

  • Wed 12
    Old-fashioned website screen capture with a repeated picture of a cloud in the background: Welcome To The *Making Your First Website* Workshop Learn HTML and create a home page on Neocities! Total beginners welcome! Iffy Books / Ragman WARNING: this page is under construction
    November 12 @ 6:00 pm - 8:00 pm 💻 Make Your First Website

    🚧 Make Your First Website

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Make a home page like it's 1999! Join us at Iffy Books for a new workshop called Make Your First Website, led by Ragman a.k.a. Richard Green. You'll learn the basics of HTML and create a static site on the free hosting service Neocities. No experience necessary! Please bring a laptop if you have one. […]

  • Thu 13
    Book cover for 'The Whale and the Reactor A Search for Limits in an Age of High Technology' by Langdon Winner, with yellow line illustrations on a red background: leaky oil drum, wind turbine, internal combustion engine, CFL light bulb, amoeba, oil pump, oil well, missile launcher, solar panel, gas mask
    November 13 @ 6:30 pm - 8:30 pm ⚙️ Neo-Luddite Reading Group

    ⚙️ Neo-Luddite Reading Group

    Iffy Books 404 S. 20th St., Philadelphia, United States

    ➡️ Virtual Meetup Link “In an age in which the inexhaustible power of scientific technology makes all things possible, it remains to be seen where we will draw the line, where we will be able to say, here are possibilities that wisdom suggest we avoid.” First published to great acclaim in 1988, Langdon Winner’s groundbreaking […]

  • Fri 14
    Animated GIF of a small circuit board with two blinking LED lights, two transistors, two capacitors, and four resistors
    November 14 @ 1:00 pm - 2:00 pm ⚡️ Beginner Soldering: Flashing LED Circuit

    ⚡️ Beginner Soldering: Flashing LED Circuit

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll learn the basics of soldering by building a tiny oscillator circuit with two transistors and two LED lights. No previous experience needed! Register:  

  • Sat 15
    An artist's rendering of a black hole, with a large patch of bright white light on the right side and a dimmer area of light on the left.
    November 15 @ 11:00 am - 12:00 pm

    ❌ Home Ad Blocking with Pi-hole

    Iffy Books 404 S. 20th St., Philadelphia, United States

    On Thursday, November 15th at 6:30 p.m. we're hosting a presentation on network-wide ad blocking with Pi-hole and AdGuard Home led by Dave Slinger. No registration needed for this one!          

  • Sun 16
    The Meshtastic logo, with the word "Meshtastic" in black
    November 16 @ 10:30 am - 12:00 pm 📡 Meshtastic 101

    📡 Meshtastic 101

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us for an introduction to Meshtastic, an application that lets you send private text messages over the air using pocket-sized LoRa radio transceivers. We’ll show you how to flash the latest Meshtastic firmware to the device, customize the settings, and start chatting with your friends. Here’s a link to our zine on LoRa + Meshtastic. […]

  • Tue 18
    Flyer with a green background and the following text: The Writing Room @ Iffy Books / Every Tuesday 5-7:30 PM / Come co-work with other writers in three 4-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.
    November 18 @ 5:00 pm - 7:30 pm ✏️ The Writing Room

    ✏️ The Writing Room

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come co-work with other writers in three 40-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.

  • Wed 19
    A photo of CIA headquarters: a wide office building with a retro concrete awning and a large lawn
    November 19 @ 7:00 pm - 8:30 pm 👁️ Intelligence History Reading Group: ‘Agents of Subversion’ by

    👁️ Intelligence History Reading Group: ‘Triple Cross’ by Peter Lance

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Stay tuned for details!

  • Fri 21
    Animated GIF of a small circuit board with two blinking LED lights, two transistors, two capacitors, and four resistors
    November 21 @ 1:00 pm - 2:00 pm ⚡️ Beginner Soldering: Flashing LED Circuit

    ⚡️ Beginner Soldering: Flashing LED Circuit

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll learn the basics of soldering by building a tiny oscillator circuit with two transistors and two LED lights. No previous experience needed! Register:  

  • Sat 22
    November 22 @ 10:30 am - 11:30 am 🐍 Python Install Session

    🐍 Python Install Session

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Stay tuned for details!

  • Sat 22
    Flyer with a photo of a tiny mp3 player, a sparkle emoji, and the following text: Python Script-Along: Download Podcasts to an MP3 Player!
    November 22 @ 11:30 am - 12:30 pm 🐍 Python Script-Along: Download Podcasts to an MP3 Player

    🐍 Python Script-Along: Download Podcasts to an MP3 Player

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Stay tuned for details! Register Coming soon!

  • Sun 23
    November 23 @ 10:30 am - 11:30 am 🐍 Python Install Session

    🐍 Python Install Session

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Stay tuned for details!

  • Sun 23
    Flyer with a photo of a tiny mp3 player, a sparkle emoji, and the following text: Python Script-Along: Download Podcasts to an MP3 Player!
    November 23 @ 11:30 am - 12:30 pm 🐍 Python Script-Along: Download Podcasts to an MP3 Player

    🐍 Python Script-Along: Download Podcasts to an MP3 Player

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Stay tuned for details! Register Coming soon!

  • Tue 25
    Flyer with a green background and the following text: The Writing Room @ Iffy Books / Every Tuesday 5-7:30 PM / Come co-work with other writers in three 4-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.
    November 25 @ 5:00 pm - 7:30 pm ✏️ The Writing Room

    ✏️ The Writing Room

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come co-work with other writers in three 40-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.

  • Wed 26
    Old-fashioned website screen capture with a repeated picture of a cloud in the background: Welcome To The *Making Your First Website* Workshop Learn HTML and create a home page on Neocities! Total beginners welcome! Iffy Books / Ragman WARNING: this page is under construction
    November 26 @ 6:00 pm - 8:00 pm 💻 Make Your First Website

    🚧 Make Your First Website

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Make a home page like it's 1999! Join us at Iffy Books for a new workshop called Make Your First Website, led by Ragman a.k.a. Richard Green. You'll learn the basics of HTML and create a static site on the free hosting service Neocities. No experience necessary! Please bring a laptop if you have one. […]

  • Sat 29
    Flyer with 6 LED lights attached to a Pi Pico development board, with the following text: Pico LED Hourglass Workshop ⌛ Iffy Books A programmable timer for writing, cooking, games, etc.!
    November 29 @ 10:30 am - 12:30 pm ⏳ Pico LED Hourglass Workshop

    ⏳ Pico LED Hourglass Workshop

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Learn to make a programmable game timer and dice with a Pi Pico microcontroller! First you’ll solder six LEDs, two switches, and a vibration motor to the board’s GPIO pins. Then you’ll install and customize the CircuitPython code that makes it work. No experience needed! You’ll need to buy a kit for $8.50 to complete […]

  • Sun 30
    A one-time pad encoder/decoder sheet, with two 36x36 grids of letters and numbers, with the following text at the bottom right: There's no space character, so we'll use 0 (zero) instead. When digits appear in your cleartext message, skip the surrounding Os that would normally indicate spaces. Examples: MEETOATOPARK7PM CALLOCASEY2156823032 Pad the end of your message with Os to obscure the length. If your message ends with a digit, you can pad the beginning instead to avoid ambiguity. ALLOCLEAROFORONOW000 (padded to 20 characters)
    November 30 @ 10:30 am - 11:30 am 🗒️ One-Time Pad Encryption Workshop

    📝 One-Time Pad Encryption Workshop

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us for a workshop on one-time pad encryption! We'll walk you through a technique for sending truly private messages without a computer, using 6-sided dice to generate random numbers. We'll use an encoder/decoder sheet that fits on a single sheet of paper and can be recreated from memory. You can find the workshop materials […]

  • Sun 30
    A one-time pad encoder/decoder sheet, with two 36x36 grids of letters and numbers, with the following text at the bottom right: There's no space character, so we'll use 0 (zero) instead. When digits appear in your cleartext message, skip the surrounding Os that would normally indicate spaces. Examples: MEETOATOPARK7PM CALLOCASEY2156823032 Pad the end of your message with Os to obscure the length. If your message ends with a digit, you can pad the beginning instead to avoid ambiguity. ALLOCLEAROFORONOW000 (padded to 20 characters)
    November 30 @ 10:30 am - 11:30 am 🗒️ One-Time Pad Encryption Workshop

    📝 One-Time Pad Encryption Workshop

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us for a workshop on one-time pad encryption! We'll walk you through a technique for sending truly private messages without a computer, using 6-sided dice to generate random numbers. We'll use an encoder/decoder sheet that fits on a single sheet of paper and can be recreated from memory. You can find the workshop materials […]

  • Sun 30
    A king penguin head. Photo taken at Edinburgh Zoo, Scotland.
    November 30 @ 11:30 am - 12:30 pm 🐧 Linux Lab

    🐧 E-Z Command-Line Encryption with OpenSSL

    Iffy Books 404 S. 20th St., Philadelphia, United States

    At this workshop you'll learn to create passphrase-protected files using OpenSSL, a command-line program that's probably already installed on your computer. With this technique you can send encrypted files via email/Dropbox, then share the passphrase with the recipient on a secure channel (e.g., Signal). Useful for avoiding surveillance & data mining! Save message: echo "My […]

  • Sun 30
    A king penguin head. Photo taken at Edinburgh Zoo, Scotland.
    November 30 @ 11:30 am - 12:30 pm 🐧 Linux Lab

    🐧 E-Z Command-Line Encryption with OpenSSL

    Iffy Books 404 S. 20th St., Philadelphia, United States

    At this workshop you'll learn to create passphrase-protected files using OpenSSL, a command-line program that's probably already installed on your computer. With this technique you can send encrypted files via email/Dropbox, then share the passphrase with the recipient on a secure channel (e.g., Signal). Useful for avoiding surveillance & data mining! Save message: echo "My […]

  • December 2025
  • Wed 3
    The cover of 'Planetes Book 1' by Makoto Yukimura, with an illustration of a circular porthole in a spaceship with the Earth below filling the view
    December 3 @ 7:00 pm - 8:30 pm 🪐 Speculative Futures Reading Group

    🪐 Speculative Futures Reading Group: ‘Planetes Book 1’ by Makoto Yukimura

    Iffy Books 404 S. 20th St., Philadelphia, United States

    The Speculative Futures Reading Group meets on the last Wednesday of every month at 7 p.m.! This month we're discussing Planetes Book 1 by Makoto Yukimura. (Illustrated by Makoto Yukimura, translated by Yuki Johnson, adapted by Anna Wenger & Brendan Wright.)

  • Fri 5
    Animated GIF of a small circuit board with two blinking LED lights, two transistors, two capacitors, and four resistors
    December 5 @ 1:00 pm - 2:00 pm ⚡️ Beginner Soldering: Flashing LED Circuit

    ⚡️ Beginner Soldering: Flashing LED Circuit

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll learn the basics of soldering by building a tiny oscillator circuit with two transistors and two LED lights. No previous experience needed! Register: coming soon!  

  • Sun 7
    '80s style pink glowing text reading "Homebrew Website Club" with a purple triangle and rainbow and grid receding into the background
    December 7 @ 6:00 pm - 8:00 pm 🏠 IndieWeb Homebrew Website Club

    🏠 IndieWeb Homebrew Website Club

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Homebrew Website Club is a growing world-wide network of meetups for everyone who wants to take back their web experience from social media silos, and own their online identities & content, or just want support with blogging!

  • Thu 11
    The cover of a recent edition of 'Technics and Civilization' by Lewis Mumford, with blue and yellow overlapping circles superimposed on a photo from the '30s(?) of a train with a giant propeller on the front, with two people standing nearby
    December 11 @ 6:30 pm - 8:30 pm ⚙️ Neo-Luddite Reading Group

    ⚙️ Neo-Luddite Reading Group: ‘Technics and Civilization’ by Lewis Mumford

    Iffy Books 404 S. 20th St., Philadelphia, United States

    ➡️ Virtual Meetup Link Discord: Email neoluddite@victorgom.es for an invite! Full schedule: victorgom.es/neoluddite If you're joining for the first time, I'd suggest you read this before anything else for brief context: What the Luddites Really Fought Against by Richard Conniff.The only expectation is that you read the chapter(s) of the book that's listed for that […]

  • Fri 12
    Animated GIF of a small circuit board with two blinking LED lights, two transistors, two capacitors, and four resistors
    December 12 @ 1:00 pm - 2:00 pm ⚡️ Beginner Soldering: Flashing LED Circuit

    ⚡️ Beginner Soldering: Flashing LED Circuit

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll learn the basics of soldering by building a tiny oscillator circuit with two transistors and two LED lights. No previous experience needed! Register: coming soon!  

  • Sat 13
    A drawing of two smiling turtles facing each other, with a wi-fi symbol over their heads. One is wearing a cowboy hat and the other is wearing a little bowler. Both turtles have computers on their backs. The text "Model Internet Club" is at the bottom in a typewriter font.
    December 13 @ 10:30 am - 12:30 pm 🚂 Model Internet Club

    🚂 Model Internet Club

    Iffy Books 404 S. 20th St., Philadelphia, United States

    The Model Internet Club is back! Join us every third Saturday from 10:30 a.m. to 12:30 p.m. for an informal meetup focused on building small-scale computer networks. No registration needed for this event! If we run out of space we can expand into our back yard area.

  • Wed 17
    A photo of CIA headquarters: a wide office building with a retro concrete awning and a large lawn
    December 17 @ 7:00 pm - 8:30 pm 👁️ Intelligence History Reading Group: ‘Agents of Subversion’ by

    👁️ Intelligence History Reading Group

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Stay tuned for details!

  • Fri 19
    Animated GIF of a small circuit board with two blinking LED lights, two transistors, two capacitors, and four resistors
    December 19 @ 1:00 pm - 2:00 pm ⚡️ Beginner Soldering: Flashing LED Circuit

    ⚡️ Beginner Soldering: Flashing LED Circuit

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll learn the basics of soldering by building a tiny oscillator circuit with two transistors and two LED lights. No previous experience needed! Register: coming soon!  

  • Fri 26
    Animated GIF of a small circuit board with two blinking LED lights, two transistors, two capacitors, and four resistors
    December 26 @ 1:00 pm - 2:00 pm ⚡️ Beginner Soldering: Flashing LED Circuit

    ⚡️ Beginner Soldering: Flashing LED Circuit

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll learn the basics of soldering by building a tiny oscillator circuit with two transistors and two LED lights. No previous experience needed! Register: coming soon!  

  • Wed 31
    An artist's rendering of a black hole, with a large patch of bright white light on the right side and a dimmer area of light on the left.
    December 31 @ 7:00 pm - 8:30 pm 🪐 Speculative Futures Reading Group

    🪐 Speculative Futures Reading Group

    Iffy Books 404 S. 20th St., Philadelphia, United States

    The Speculative Futures Reading Group meets on the last Wednesday of every month at 7 p.m.!

  • January 2026
  • Fri 2
    Animated GIF of a small circuit board with two blinking LED lights, two transistors, two capacitors, and four resistors
    January 2, 2026 @ 1:00 pm - 2:00 pm ⚡️ Beginner Soldering: Flashing LED Circuit

    ⚡️ Beginner Soldering: Flashing LED Circuit

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll learn the basics of soldering by building a tiny oscillator circuit with two transistors and two LED lights. No previous experience needed! Register: coming soon!  

  • Sun 4
    '80s style pink glowing text reading "Homebrew Website Club" with a purple triangle and rainbow and grid receding into the background
    January 4, 2026 @ 6:00 pm - 8:00 pm 🏠 IndieWeb Homebrew Website Club

    🏠 IndieWeb Homebrew Website Club

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Homebrew Website Club is a growing world-wide network of meetups for everyone who wants to take back their web experience from social media silos, and own their online identities & content, or just want support with blogging!

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