If everything is supposed to be climate-neutral? Then flights are no longer possible. Not at all, according to experts. I mean, you can get to Mallorca without them. But I think it's tough to go to New York or Australia only by ship. Are there no other options?
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Loading...Hello! A few weeks ago I planted radish seeds in freshly purchased vegetable soil. The radishes are now growing nicely, but then I noticed that mushrooms are growing out of the soil! I simply pull them out (see photo), but they quickly grow back. Why is this happening? What can I do? And most importantly:…
The Moon takes T = 27.3 days (1 day) to orbit the Earth. Calculate the distance r between Earth and the Moon. Can someone perhaps explain this?
I haven't found any helpful information on this yet. Google only comes up with one post where someone asks this question. Someone from KFC says it's paper waste, which I can't imagine, since the buckets are greasy/dirty. Someone else said that stuff like that always belongs in the general waste, like pizza boxes. I can…
Hello, does anyone know how long it takes for a bottle cap to completely decompose in nature? Thanks
Hello, I brought a lot of fungus gnats into my house with new potting soil. Does anyone have experience with Caladium in Seramis? I'd like to try it. Thanks 🙂
What happens to Earth if life on Mars is possible… Who would then want to live on earth? Will there then be more wars on Earth?
Nichts mehr. Sämtliche Industrie und Elektronik wird verboten, wir kacken wieder in Erdlöcher und sterben mit 50.
Mit Wasserstoff kann man doch Fliegen.
Das hat man schon mit den Zeppelin-Luftschiffen so gemacht (vgl. Lakehurst).
Nur das es einen Unterschied macht ob man Wasserstoff im Zeppelin oder in einem Tank hat
Dann wird man sich Gedanken machen, wie man den CO2-Gehalt der Erdatmosphäre wieder erhöhen kann, um eine weitere Eiszeit (nächste nach dem Weichsel-Glazial) zu verhindern.