Why do railroads have no cloverleaf interchanges?

Deutsch Do cloverleaf interchanges for railroad lines exist? I must admit that I do not know all railroad lines in the world, but I consider it highly unlikely that anywhere two railroad lines are connected by a cloverleaf. They do exist in games that need not be realistic in every aspect, but this page is …

Share Button

Explosion in Fertilizer Plant in Texas

Deutsch In April 2013 an explosion happened in a fertilizer production plant in Texas which had huge impact. It looks like it was ammonium nitrate which exploded. This is used for producing fertilizer. But it is also quite explosive and can be used in pure form or mixed with other substances as explosive. The worst …

Share Button

Fahrenheit or Celsius

Deutsch Fahrenheit is such an odd American unit like square foot, pound or gallon. Or even worse: cubic foot, who has three feet? Nobody needs this crap any more and we should all switch to the metric system. Habits take a generation or two for this, but it will come… So now it is the …

Share Button

Rail Projects in Northern Scandinavia

Deutsch The European region north of the arctic circle in Finland, Norway and Sweden is often called „Cap of the North“ („Nordkalotten“ in Danish, Norwegian and Swedish, or „Pohjoiskalotti“ in Finnish). That area is thinly populated, but there are some towns with a few 10’000 inhabitants and a more densely populated area in their vicinity, …

Share Button

Why Aluminum Recycling matters

This is an English translation of the German article Aluminiumrecycling. Why is aluminum recycling so important? aluminum (or aluminium) is occurring on the earth surface in chemically bound forms and it is the third most frequent element in the crust of the earth, after oxygen and silicon. So other than the lanthanides it is not …

Share Button

Gutes neues Jahr für 2013!

Frohes neues Jahr — Bonne Année — Felice Anno Nuovo — Bun di bun an — Happy New Year — Prosperan novjaron — السنة الجديدة المبتهجة — 高兴的新年 — Godt nytår — שנה חדשה שמחה — 明けましておめでとう — Feliç Any Nou — 기쁜 새로운 년 — FELIX ANNUS NOVUS — Een gelukkig nieuwjaar — Godt …

Share Button

Draining with Osmosis

For a change I am writing this about a non-railroad issue. It is the English translation of the German article Entwässerung mit Osmose. Osmosis is described quite well in Wikipedia. In short, mixing of salt solutions with different concentrations sets free some energy. For example when mixing fresh water with sea water, this energy is …

Share Button

A Track is not enough

(translation of Ein Gleis alleine genügt nicht) Building and maintenance of transportation routes is often considered to be a responsibility of the state.  It is assumed that everybody can then use this routes. For transportation of persons this is only partly true.  A highway can be used by individually owned means of transportation, like bicycles …

Share Button