A motley collection of ideas
Andy 
This is a simple TTL-based lab frequency counter I originally built decades ago. At the time, I was a young student with very limited resources. Commercial laboratory instruments were completely out of reach, so I had no choice but to build my own. The design came from the Hungarian Defense Sport Association (MHSZ, Magyar Honvédelmi … Read more
In recent days, many people have asked whether Santa Claus really exists. I believe it’s worth reflecting on this a bit, as physical calculations suggest that if he does exist and actually visits us, the consequences could be catastrophic. More than two decades ago, Gyula Dávid (assistant professor at the ELTE Institute of Nuclear Physics) … Read more
I built this inductance meter adapter a long time ago for use with a digital multimeter capable of frequency measurement. The basic idea came from an article published in Funkchau issue 1/1981. I slightly modified the original circuit and designed a new PCB. Of course, I no longer use this device for measuring coils today, … Read more
Format: Hardcover. You can purchase it on Amazon The Hungarian edition was published by Typotex Publishing Ltd. in 2015 and can be purchased at Typotex. The name of Nigel Barley may be familiar to readers thanks to his unforgettable and humorously written book The Innocent Anthropologist, in which he recounted his time spent among the … Read more
You can download it free from Internet Archive, or purchase it on Amazon.com The Hungarian edition was published by Gabo Publishing in 2015 and can be purchased at Libri. This book is the third volume of the Liberation Trilogy, but it also stands on its own as a compelling read. A substantial work, perfect for summer vacation … Read more
I can’t resist recommending Stephen Greenblatt’s A Renaissance Book Hunter (Typotex Publishers, 2015, 250 pages, 3500 HUF), because this book is simply great.
The magic plasma ball is a well-known decoration that used to be popular at parties and nightclubs. A simple structure on the surface, but the spectacular light effect is based on a very complex phenomenon. It can also be used to perform some interesting experiments to surprise your friends.
Format: Hardcover, Paperback, Kidle. You can purchase it on Amazon.com The Hungarian edition was published by Akkord Publishing in 2016 and can be purchased at Libri. John Barrow is known to Hungarian readers for his works The Origin of the Universe and The Book of Universes. The Cambridge professor is not only an excellent cosmologist, theoretical physicist, … Read more
I don’t believe in conspiracy theories – I make them! On April 10, 2010, the plane of Polish Prime Minister Lech Kaczyński crashed on the outskirts of the Russian city of Smolensk. There have been many speculations and conspiracy theories about the incident, and we may never know the whole truth. But with Google, anyone can snoop around the crash site.
People have been sending secret messages since ancient times. Countless methods have been devised to protect information—and just as many to uncover it. Nowadays, digital methods are in fashion, and ciphers and chemical inks are more like toys, but there was a time when lives depended on them. Methods for concealing information fall into two … Read more