A motley collection of ideas
Anyone who has ever prepared a technical article, scientific paper, or DIY tutorial knows the problem: diagrams are often perfect as they are, except for one thing—the labels are in the wrong language. Redrawing the figure takes time, manual editing is slow and complicated, and a careless AI image edit can easily crop the edges, … Read more
Among radio amateurs – especially abroad – fox hunting is still a fairly popular sport today. Here I present a simple fox‑hunting setup that can be used at home, in the garden, for play, for tracking animals, or even for hunting “flying foxes”. “Fox hunting”, or radio orienteering (Amateur Radio Direction Finding – ARDF, also … Read more
Every day, dozens of tiny, invisible instruments rise above our heads. Weather radiosondes that collect data from the lower and upper layers of the atmosphere, then a few hours later quietly disappear somewhere above fields, forests, and villages. The signals from these sondes can be received by anyone — and that’s where the exciting world … Read more
I wanted a simple, inexpensive antenna for my Little Airshow Radio. The 108–137 MHz range is the VHF airband, where the wavelength is roughly 2.18 m to 2.73 m. That means any resonant antenna designed for this range tends to be physically large. If you’re looking for a small, portable solution, you’ll need to make a few compromises. … Read more
Typotex Publishing, 2025304 pages, 5500 HUF Artificial intelligence is not a new phenomenon, but large language models (LLMs) have propelled it into pop culture. Today many people call themselves “AI experts,” even though no one yet sees clearly how this technology will integrate into everyday life; everyone is still experimenting with what these tools can … Read more
This device was sold in Hungary by ALDI and eMAG, among others, for €8–9, but I have also seen it in foreign online stores priced between €10 and €25. It is a Peltier-element dehumidifier, which in principle removes water from the air by cooling it so that the moisture condenses and drips into the tank. … Read more