Ecology

Did they really invent a “tofu battery” with a lifespan of 300 years? Let's clarify

Did they really invent a “tofu battery” with a lifespan of 300 years? Let’s clarify

Image generated with AI. News recently spread of the alleged discovery of one tofu battery which is attributed an autonomy of approximately 300 years. However, it remains legitimate to ask whether this is a real technological innovation or one fake news. In fact, the news finds a concrete feedback – even if you call her tofu battery It’s pretty misleading. ...

Because rulers have a blank space before the 0: it is used to be more precise

Because rulers have a blank space before the 0: it is used to be more precise

The space before the 0 on the ruler is not due to a manufacturing error. Have you ever noticed that, on most of the rulersit zero it is not exactly at the end but is often preceded by a small one empty space? It’s such a common detail that we don’t even pay attention to it: yet, after a Spanish ...

The cause of cloudy glasses after washing in the dishwasher is often corrosion of the glass

The cause of cloudy glasses after washing in the dishwasher is often corrosion of the glass

By often washing glasses in the dishwasher, they can undergo a process of “opacification”, i.e. the loss of transparency following the formation of white marks. It is no coincidence that in English this phenomenon is called cloudinessfrom cloud (“cloud”): the glass loses its clarity and takes on an appearance milkyjust as if a cloud had been trapped inside the glass. ...

Can you say “if I would have”? It is correct only in indirect questions: here are some examples

Can you say “if I would have”? It is correct only in indirect questions: here are some examples

AI generated image. “If I would have studied more, I would have gotten a better grade”: a sentence like this is enough to automatically start the correction. This is the most common error in the use of the subjunctive. In the standard Italian language, the conditional after “if” is almost always considered a mistake, especially when talking about hypothetical period. ...

The Pacific Ocean is 20 cm higher than the Atlantic: the difference in height is due to the density of the water

The Pacific Ocean is 20 cm higher than the Atlantic: the difference in height is due to the density of the water

When we think about the sea ​​levelwe tend to imagine it as a perfectly uniform surface all over the Earth. In reality this surface is irregular, with depressions and bulges that depend on many factors: gravity, winds, chemical-physical characteristics of the water. One of the best known cases, documented by decades of observations, and best documented is the difference in ...