2009
- Friday, April 3 Amy Day, Naomi Marsh: Kosárlabda – Kerek könyv
- Sunday, November 20 How to Make Invisible Ink
- Wednesday, March 20 Conspiracy: Antennas in the Fog
- Sunday, August 11 John D. Barrow: 100 Essential Things You Didn’t Know You Didn’t Know
- Saturday, February 21 Experiments with a Plasma Globe
- Sunday, June 14 Egy reneszánsz könyvvadász
- Thursday, August 13 Nigel Barley: Not a Hazardous Sport
- Saturday, October 24 Inductance Meter Adapter
- Friday, December 4 If I May Say So: Let Santa Not Come!
- Saturday, June 25 MOM 39/49 M Military Compass
- Saturday, April 1 Why 137
- Saturday, September 23 A few thoughts on xylitol
- Wednesday, December 20 Ink and Cat Concert – A Quirky Journey Through Technical Drawing Tools and Traditions
- Saturday, May 19 Another Power Saver – or a Complete Scam?
- Saturday, August 11 From Censor to Atlas
- Saturday, September 1 The Largest Microchip
- Saturday, September 8 Our Forgotten Instrument: The GDO
- Tuesday, September 11 Margolin Target Pistol
- Saturday, September 15 Sargfabrik – The Remarkable Transformation of a Former Coffin Factory in Vienna
- Saturday, October 6 Whistling Madness: Wojciechowski’s Cult Circuit Rebuilt
- Saturday, October 13 The Radio Speaks
- Tuesday, December 25 The Secret of Cucumber Salad
- Saturday, March 9 Weekend program: make a cat!
- Sunday, May 5 The Selenium Rectifier
- Tuesday, May 14 Markéta Baňková: The Magpie in the Realm of Entropy
- Sunday, October 13 The Crackpot-on-the-Moor Affair
- Saturday, December 14 Hitler’s Goldfish
- Monday, April 13 Salted Paper and the Easter Egg Camera
- Sunday, July 5 From Orange Glow to Logic Flow – The World of Glow Lamps
- Saturday, July 11 Electric Fence Tester
- Sunday, August 30 Apple–Cheese Spring Onion Salad
- Sunday, December 20 Hot Ice
- Saturday, February 20 Building the JYE Tech DSO 068 Oscilloscope
- Sunday, February 28 Effortless Component Testing
- Monday, March 15 Houses on Chicken Legs
- Sunday, April 4 Hot Wire Cutter
- Monday, April 19 The Power of Regex: A Beginner’s Guide
- Saturday, June 5 Solar-Powered Cricket
- Saturday, August 7 In memoriam calculatoris
- Thursday, October 14 Tuomas Aivelo: The Endless Parasites
- Saturday, October 30 Послание В. И. Ленина (Message from Lenin)
- Saturday, February 5 GANZ GLE-2 Stairwell Lighting Timer Switch
- Saturday, April 2 Echoes in the Night: Spotting Bats with a Detector
- Wednesday, April 6 Reparing AURIOL LD3091 weather station
- Sunday, August 14 Vintage Reed Frequency Meter
- Thursday, August 18 Removing Mold Stains
- Sunday, October 2 Vostok TOZ–35 Free Pistol
- Saturday, October 15 Should We Fuel Up with E10?
- Sunday, October 16 Mini Lab Power Supply: 1.3–33 V DC, 14 V AC, 1.1 A
- Saturday, October 29 Can You Trust Your Voltmeter?
- Saturday, December 10 Everything that a civilised person needs to know about electronics
- Monday, December 12 1.3 GHz 1:1000 Frequency Counter Prescaler
- Sunday, January 15 Vintage Pocket Voltmeter
- Sunday, August 20 Bajai Fisherman’s Soup (Bajai Halászlé)
- Saturday, September 23 My Little Airshow Radio
- Saturday, December 9 Sustainable Thermal Water Resource Management in the Budapest Agglomeration
- Monday, January 29 ВСА-5К (VSZA-5K) Soviet battery charger
- Saturday, April 6 Saving Solitary Bees: The Right Way to Create a Bee Hotel
- Friday, May 24 Robert Repino: Mort(e)
- Saturday, May 25 The Art of Seeing Air: Exploring Schlieren Photography
- Friday, June 14 Repairing fluorescent tubes
- Sunday, July 21 Hemingway and Cats
- Saturday, August 31 Nógrád Sour Cherry Cream Soup
- Saturday, December 14 An Alarm Clock and the Lifespan of Gadgets
- Saturday, December 14 Simple Bat Detector
- Saturday, December 14 Repairing Braun M880M (4642) Handheld Mixer
- Saturday, December 14 How to Clean a Soldering Iron Tip
- Sunday, December 15 Regeneration of alkaline batteries
- Thursday, December 19 Sticky Plastics
- Friday, December 20 Pocket Organ
- Sunday, December 22 Barches
- Tuesday, December 24 Simple Siren
- Friday, January 3 Wire Finder
- Monday, January 6 Strong LED flashing light
- Saturday, April 19 Quartz Oscillators – Basics
- Friday, April 25 Radio frequency allocation in brief
- Monday, May 5 Repairing an electronic fluorescent starter
- Saturday, June 14 Stuffed trout with parsnip purée
- Saturday, July 12 Using ChatGPT to Restore Old Radios
- Monday, July 14 Brian Clegg: A Brief History of Infinity
- Monday, July 21 Tisza Islands
- Sunday, July 27 Malthus, Ricardo and the Light Bulb
- Friday, August 1 Chronology of Landline Telecommunications in Hungary (1847–2005)
- Sunday, August 3 Do you seriously think this is YOUR problem?
- Friday, August 8 The history of the Lakihegy transmission tower
- Sunday, August 10 Explore the Landscapes of the Solar System!
- Wednesday, August 13 Pusztaversailles and the Architecture of Hubris
- Thursday, August 14 War machines from the inside
- Sunday, August 17 We just xperiment with diffrent kidz
- Wednesday, August 20 Voltcraft (EMG 1536) oscilloscope
- Saturday, August 23 Globus IMP navigation computer
- Monday, August 25 James Berry: My Experiences as an Executioner
- Monday, August 25 Fridge door Alarm
- Wednesday, August 27 Language of the Third Reich: LTI: Lingua Tertii Imperii
- Friday, August 29 Carrot soup with ginger and orange
- Friday, August 29 ELKIS TR 9602 Harmonic Distortion Meter
- Sunday, August 31 Magic Numbers – Mysterious World of Maths
- Sunday, August 31 Nigel Stanford: CYMATICS: Science Vs. Music
- Tuesday, September 16 Beaver Map
- Tuesday, September 16 Darian Leader: Why Can’t We Sleep?
- Wednesday, October 8 IH-81 Universal Radiation Meter
- Tuesday, October 21 Tea timer stand (hourglass holder)
- Tuesday, October 21 Ergonomic bowl stand for elderly cats
- Saturday, October 25 Remo Duplicate Photos Remover
- Thursday, October 30 Kitten Growth Chart in Excel
- Saturday, November 22 Cassinelli – Novotest 2 TS 141
- Saturday, November 22 Portable Moxon antenna for weather radiosonde hunting
- Saturday, November 29 Easy Home DH-2015 dehudimifier
- Wednesday, December 17 Muting the DP–2 Digital Intercom
- Friday, January 16 How to Make a Cheap Bird Feeder
- Saturday, January 24 György Bőgel – Attila Dániel Nagy: Artificial Intelligence in the Economy
- Saturday, January 24 Plants in Space
- Thursday, January 29 What can a faulty plasma globe be used for?
- Thursday, January 29 Building the MySondy Go – A Pocket Tool for Radiosonde Hunting
- Saturday, January 31 Very cheap, portable, 1/4 Wave Ground Plane Antenna for the Airband
- Sunday, February 1 Weather radiosonde hunting for beginners
- Monday, February 2 Atomic Toys and Childhood Curiosity: The Myth of the “Most Dangerous Toy”
- Monday, February 2 From bitmap formulas to LaTeX with ChatGPT
- Tuesday, February 3 Fox Hunting: A Practical Guide with a Simple Receiver
- Wednesday, February 4 How to Translate Image Labels with AI – Without Ruining the Figure
- Tuesday, February 10 A Test-solving Practice Tool
- Monday, February 16 Custom buttons in Total Commander
- Saturday, March 7 Treatment for a “Mad DVD Gamer”
- Monday, March 9 Vác–Cigány Valley: Prehistory Turning Up in the Furrows
- Thursday, March 19 How Not to Disinfect a Book