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sapper bees

06.04.2021

In the Balkans, on the territory of the former Yugoslavia, after chaotic mining during a military conflict 20 years ago, people are still suffering from explosions. And so scientists from Bosnia and Herzegovina and Croatia went on a very strange experiment, which they called "Tiramisu" and taught the bees to look for mines.

They took advantage of the fact that these insects have a wonderful scent. And they were taught to sniff out TNT. Simply by mixing the sugar solution with the explosive.

Now the bees fly where they feel TNT, stop in search of something sweet, but then fly away. And this gives people the opportunity to see where the danger lurks.

So that people do not have to run after insects, drones follow them.

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Random news from the Archive

Diamond quantum computer 12.04.2012

Scientists from the University of Southern California have created a diamond-based quantum computer, overcoming the problem of decoherence - "noise", which is one of the main technical obstacles to the creation of quantum computers.

Modern quantum computers are usually very small and cannot yet compete in speed with traditional computers. An experiment by American scientists shows the viability of solid-state quantum computers, which, unlike modern liquid-based prototypes, can be scaled and applied in practice. Scientists have created a diamond quantum computer with two quantum bits, the so-called qubits. Unlike traditional bits, which work with the states "1" or "0", a quantum computer can work with both "1" and "0" or both states at the same time. This is called the superposition state and allows quantum computers to perform millions of calculations at the same time.

Like all diamonds, the diamond used in the experiment had impurities. In jewelry, the more impurities, the less valuable the diamond, as this reduces its brilliance and transparency. However, for a quantum computer, impurities, on the contrary, are useful. Thus, the spin of the nitrogen nucleus inside the diamond became the first qubit, and the electron became the second. Electrons are smaller than nuclei and perform calculations much faster, but they are also subject to faster decoherence. A qubit based on a nucleus (which is larger than an electron) is much more stable, albeit slower. Thanks to the use of the nucleus as a qubit, the decoherence time was stretched to milliseconds, which is enough for reliable calculations.

Although solid-state computing systems have existed before, American scientists for the first time managed to “embed” decoherence protection into it and take an important step towards the use of quantum computers. The team of researchers proved that their system really works in quantum mode and almost completely corresponds to Grover's algorithm.

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