hans groen *17 09 1959 - †11 08 2022

« | »

unsolved questions

Ever thought: “why?”, ever wondered “how?”, doubted “what if?”. Here are some questions that are still unsolved to add to your list.

What is the standard deviation of the ‘golden mean?’ This question, raised by Gerald Dworkin in the 1980’s still awaits an answer.

How do I adjust my egg-timer to daylight saving time?

What is the natural frequency of Gabriel’s horn and Torricelli’s trumpet?

A road passes underneath a waterway (river or channel}: at which length do we call the aqua-duct a tunnel?

Posted in Alternative Encyclopedia