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IEEE Spectrum is the flagship publication of the IEEE — the world’s largest professional organization devoted to engineering and applied sciences. Our articles, videos, and infographics inform our readers about developments in technology, engineering, and science.
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Create an account and get exclusive content and features:Save articles, download collections, andpost comments — all free! For full access and benefits, subscribe toSpectrum.

DIY

Reviews, hands-on projects, and the latest on the maker movement from Spectrum's DIY editor Stephen Cass

Pico Balloons: Affordable High-Altitude DIY Adventures

A tiny ham-radio transmitter lets you track a balloon globally

31 Jan 2026
4 min read
A printed circuit board attached to two small solar panels hangs beneath a balloon.
Engineers at NASA’s Jet Propulsion Laboratory

The Great Ventilator Rush

Early on in the COVID-19 pandemic, engineers launched extraordinary crash programs that produced scores of ventilator designs. What will happen to them now?

18 Jun 2020
14 min read
A reflecting telescope can be seen fitted with a boxy eyepiece

Improve Your Telescope With a Cheap Sensor

Real-time light amplification boosts telescopes for under $250

04 Jan 2026
4 min read
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Estimating Surface Heating of an Atmospheric Reentry Vehicle With Simulation

Learn how heat flux gauges are validated using inverse analysis techniques

17 Feb 2026

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A pair of coil-wound cylinders sits atop two milk crates. Wires connect them to a circuit board connected to three large 12-volt batteries and two 9-volt batteries. A pair of headphones is connected to the circuit board.

Hear Protons Sing With a DIY Magnetometer

Build a DIY magnetometer with a couple of seasoning bottles

25 Nov 2025
5 min read

Download “The EV Transition Explained” E-book for Free

A 49-page report on the engineering challenges of making and supporting EVs at scale
Retro computer setup with text: "Chips That Changed the World" on screen.

A Commodore 64 Cartridge Brings History to Life

You can do it with free software and just a few dollars in parts

28 Sep 2025
5 min read
A device with an incandescent bulb projecting from its top, two analog dials, and some controls sits on top of a radio built in an art deco style.

Vintage Look, Modern Safety: My Dim-Bulb Tester

A dim-bulb tester is a bright idea when fixing vintage electronics

30 Aug 2025
4 min read

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    A chip mounted on a printed circuit board that in turn is mounted on a solderless breadboard. Various other capacitors and resistors are wired up as well as a Raspberry Pico microcontroller.

    MOSbius: Bridging the Gap in Analog Design Education

    This programmable chip will help teach you the real-world ropes

    30 Jul 2025
    5 min read
    A picture of a large bulky plotter-like device connected to a small board hosting several printed circuit boards, including a Raspberry Pi. A swirling pattern has been drawn on a piece paper in the plotter..

    How a Raspberry Pi Revived a Vintage HP X-Y Recorder

    Once upon a time all hardware was open source

    27 Jun 2025
    5 min read
    An illustration of two people in office chairs wearing headsets on a virtual rollercoaster. One is having a great time while the other clutches their mouth

    DIY Cybersickness Remedies

    3 techniques that may stave off cybersickness

    23 May 2025
    5 min read

    Reinventing Invention

    Stories from innovation’s edge
    See the full collection →
    Special Report: Reinventing Invention

    Put an Old-School BBS on Meshtastic Radio

    Microsocial media comes to LoRa

    28 Apr 2025
    4 min read
    A cutaway view of an enclosure showing a radio transceiver, Raspberry Pi, and Arduino Nano. A servo motor is attached to a flag on the outside, and there is a pushbutton on top.
    A satellite dish mounted on a portable mast on a building roof in front of the New York City skyline. A cable from the dish connects to a dongle attached to a laptop computer.

    Listen to Weather Satellites—or the Universe—With the Versatile Discovery Dish

    This modular parabolic antenna lets you pick up satellites and try radio astronomy

    28 Mar 2025
    5 min read
    This $100 Muon Detector Lets You Harness the Cosmos

    This $100 Muon Detector Lets You Harness the Cosmos

    Uncover hidden mine shafts and more

    24 Feb 2025
    5 min read
    A cutaway diagram of a boxy device with a power supply and some electronics boards inside. A receipt printer, two leds, a switch and a button are on top of the device.

    Build a Perfect Cryptographic Machine

    The Pad-O-Matic prints one-time pads at the press of a button

    29 Jan 2025
    5 min read
    A frame with a long supporting beam has an upright mast at one end. A cable and pivot hold another beam at a low angle to the ground. The far end of the pivoting beam has a weight attached, and arrows indicate that the pivoting beam can swing from side to side. A vane descending from the pivoting beam is bracketed by magnets, and another magnetic attached to the pivoting beam moves over a sensor attached to supporting beam. A cable runs from the sensor to a nearby box containing small electronics boards.

    Build a Better DIY Seismometer

    To detect temblors far away, a long-period seismometer is the ticket

    02 Jan 2025
    4 min read

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      A look back at key moments in the history of cyberspace, electronics, and the space age

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    • DIY

      Reviews, hands-on projects, and the latest on the maker movement from Spectrum's DIY editor Stephen Cass

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      Profiles and interviews with engineers, tech industry news, and the latest trends on the job market

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      The latest news about IEEE, its members, tech history, and new offerings

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