If I May Say So: Let Santa Not Come!

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

Inductance Meter Adapter

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

Nigel Barley: Not a Hazardous Sport

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

Atkinson, Rick: The Guns at Last Light: The War in Western Europe, 1944–1945

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

Experiments with a Plasma Globe

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.

John D. Barrow: 100 Essential Things You Didn’t Know You Didn’t Know

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

Conspiracy: Antennas in the Fog

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.

How to Make Invisible Ink

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

Aronson, E – Tarvis, C: Mistakes Were Made (but Not by Me): Why We Justify Foolish Beliefs, Bad Decisions, and Hurtful Acts

Format: Paperback. You can purchase it on Amazon.com The Hungarian edition was published by Ab Ovo Publishing in 2009 and can be purchased at Bookline. Aronson and Tavris make an excellent authorial duo. With relentless thoroughness yet in a witty and engaging style, they present the results of their many years of social psychological research. … Read more