CuriousMarc

Divide by Zero on the Friden STW10 Mechanical Calculator

Using a 1930 Teletype as a Linux Terminal

1958 FACOM 128B Japanese Relay Computer, still working!

Soyuz "Globus" Mechanical Navigation Computer Part 1: Grand Opening

The IBM 1401 compiles and runs FORTRAN II

Apollo 12 Source Code: Looking at the original flown code printout, and the 1202 error fix

Apollo Core Rope Memory (Apollo Guidance Computer Part 30)

Apollo Guidance Computer Part 1: Restoring the computer that put man on the Moon

Soyuz "Globus" Mechanical Navigation Computer Part 2: Powering Up

Soyuz Clock Part 1: Looking Inside a Flown Soyuz Space Clock

Inside failed vintage components: 1 MHz quartz crystal and early CMOS IC

How an Atomic Clock Really Works: Inside the HP 5061A Cesium Clock

8 inch floppy drive #3, 4 and 5 repair (CDC 9406 BR8A8B diskette drives)

Tektronix 577 Curve Tracer Repair and Demo

Apollo Comms Part 25: powering up the Central Timing Equipment box

RAF Smiths Pitot Static Tester

We found the shark in the SHARC DSP

CZUR Fancy document scanner review

Photopopper Robot

How an Atomic Clock Really Works, Round 2: Zeeman Alignment

Intro to Logisim Evolution, the free and oh-so-good logic simulation software

MITE Tactical Teleprinter - military digital communications from 1958

TMG-303 Test Message Generator Repair

Cape Canaveral Historic Launch Sites Visit

Bendix Air Data Computer - Part 1: First Look Inside

Merry reverse-engineering Christmas!

Apollo Comms Part 31: UDL Grand Opening and Power Up

IBM 3420 9-track tape drives arrrive for restoration. 800 lbs each!

Modern Tech Fail: iMac 27" Retina 5k Display Panel Tear Down

Donated Eskalab Spectrophotometer

F8 Fly-By-Wire System (Apollo Guidance Computer Part 31)

Steve Jurvetson’s Space Collection Part 3: Everyday Astronaut figures out the RL-10 Rocket Engine

Apollo Comms Part 32: Breaking the Updata Link Code

Oscar's new PDP-10 replica (and PDP-8 and PDP-11 too)

Visiting the Computer Museum of America

EBTKS add-on board for the HP-85 vintage computer

Apollo Comms Part 30: We explain and debug modern (CD4046B) and vintage (Apollo) PLL circuits.

Retr0brighting the easy way (Protek 3015B power supply)

Apollo Comms Part 33: Is there something wrong with our NASA Up Data Link transmitter?

Visiting the System Source Computer Museum

HP 9895A Part 2: Epic Controller Board Repair (and a transparent chip surprise)

Soyuz Electro-Mechanical Clock - Part 3: clock driver build and 100W boost converter review

Modern Fails: Newall C80 DRO repair

Apollo Comms Part 34: Trying every function of the Apollo command system

Apollo Comms Part 29: Downvoice

HP 7044A X-Y Recorder Restoration

A few orbits with the Soyuz Globus

Teletype Model 19 Part 4: Thyratron Power Supply

HP and Overland 9-Track Tape Drives Demo

7 Orbits with the Soyuz Globus Mechanical Computer

Apollo Comms Part 23: making connectors and a control panel

Bendix Air Data Computer - Part 3: Intro to Synchros

8 inch floppy drive #2 repair (CDC 9406 BR8A8B diskette drive)

HP Switching Power Supply Repair Part 1: How a SMPS works

Apollo DSKY - part 1: we have a real (and broken) DSKY!

Genuine NASA Apollo DSKY Full Restoration (Apollo DSKY - part 2)

Test Stream

B-52 Bomber Astro Tracker - Part 2: Power up and gyro-stabilization

HP 5245L Nixie Counter - Part 3: 500 MHz Plugin Repair (HP 5253A and HP 5253B)