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Disposable gourd cups

19.11.2020

New York-based design company Creme has taken the issue of plastic waste into the planet and come up with an unusual solution to this problem - to grow pumpkin disposable coffee cups.

Everything ingenious is simple, the designers decided and, looking back, found a great way to store liquids. For this, our ancestors used the dried peel of pumpkin fruits, which retains its shape for a long time. Thus began the Pumpkin project, which aims to produce experimental batches of biosoluble cups and flasks that can be used to serve hot coffee and also store beans.

June Isaac, director of Creme, says that on a farm in Pennsylvania, the company grows pumpkins and squash, giving them the desired shape. Just like in Japan, for more comfortable transportation, watermelons are grown in containers, giving the fruits a square shape. For this, modern technologies and equipment are used, which allows not only to give the fruits the correct shape, but also to dry their peel, creating completely degradable, organic glasses and flasks.

The glass can be thrown away with food waste. It is also compostable without the synthetic materials or chemicals that make up the final product.

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Self-control lulls the memory 21.09.2015

Even when we are doing absolutely usual business, our brain retains the ability to respond to an emergency situation. For example, if a hole appears on the road in front of the house, we are unlikely to fall into it - for this we need to daydream very much. This ability to control one's own actions is especially strong in situations in which some surprises are possible and which require increased attention: for example, a driver who follows all the rules of the road must still be ready to react if something suddenly goes wrong.

But you have to pay for self-control - as it turned out, it suppresses attention and memory. Psychologists from Duke University set up an experiment in two parts: first, volunteers were asked to look at 120 photographs of people, and when a male face appeared, they had to press a special button (another group of experiment participants pressed the button when a female photo appeared); and then, after a few minutes of completing such a task, they were suddenly offered a memory test - now it was required to remember which faces they had seen in the previous series and which not.

Of course, it turned out that not all faces were remembered, but at the same time, a curious pattern was discovered: those photographs in which it was not necessary to press the button were stored worse in memory. That is, the interruption of the action due to the conditional prohibition seemed to affect memory and attention.

Using magnetic resonance imaging, the hypothesis was confirmed. In those photos that, by condition, passed by, a special inhibitory system was turned on in the brain, suppressing the response, and the action of which extended to the area of the cortex involved in memorization. Similarly, a driver forced to suddenly maneuver on the road to avoid a collision with another car will not remember either its make or color - such inattention has a well-defined neurophysiological mechanism.

The authors of the work believe that in some neuropsychiatric disorders, such as attention deficit disorder, malfunctions in the brain may be due precisely to the fact that suppressive, interrupting the action of neural structures become too active. If you try to act on them, then perhaps a person will stop twitching over trifles and will finally be able to control his own attention.

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