Railway lines arrive based only on solar energy

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Gradually the railroad looks towards renewable energies and discards diesel. Sustainable trains arrive. Ground transportation has its hopes on electric cars to be more sustainable. Not only in these, but in trucks and buses too. Trains have been neglected in this transformation. Maybe for an obvious reason. Many of them rely on electricity to function. Not in all places it…

How the northern and southern auroras are created

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The auroras are a natural phenomenon that fascinates many. We know what they look like and where they can be seen, but do we know why they form? Iceland is a popular tourist destination: its landscapes, culture and temperatures attract the attention of more and more tourists. But why do people want to go to Iceland? To witness the phenomenon…