Rafo attends aerospace conference in Rome
ROME: Air Vice Marshal Khamis bin Hammad al Ghafri, Commander of the Royal Air Force of Oman (Rafo), participated in the 2nd edition of the AeroSpace Power Conference, held in the Italian capital, Rome, on May 8-9 under the theme 'Fighting and Winning in the Sky Beyond the Next Decade'.
The conference brought together more than 1,500 participants from military and civilian entities from around the world.
The conference was aimed at developing new ideas, discussing possible avenues, exchanging views across various disciplines by showcasing the latest technology and innovation in the field of aerospace, highlighting concepts of sustainability; and fostering ties and building strong new relationships between countries.
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10-05-2025
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Rafo attends aerospace conference in Rome
ROME: Air Vice Marshal Khamis bin Hammad al Ghafri, Commander of the Royal Air Force of Oman (Rafo), participated in the 2nd edition of the AeroSpace Power Conference, held in the Italian capital, Rome, on May 8-9 under the theme 'Fighting and Winning in the Sky Beyond the Next Decade'. The conference brought together more than 1,500 participants from military and civilian entities from around the world. The conference was aimed at developing new ideas, discussing possible avenues, exchanging views across various disciplines by showcasing the latest technology and innovation in the field of aerospace, highlighting concepts of sustainability; and fostering ties and building strong new relationships between countries.
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How to cook the perfect egg
Hard-boiled, soft-boiled, or poached. Scientists have studied how to cook the perfect egg and have come up with a new recipe that they say optimizes its taste and nutritional quality. Cooking an egg is a delicate art because the yolk and the white do not cook at the same temperature. The yolk begins to solidify at 65 degrees Celsius (149 degrees Fahrenheit) and the white at 85C. To avoid ending up with a soft-boiled egg, chefs have to choose a "compromise temperature", said the authors of a study published on Thursday in the journal Communications Engineering. In the case of a hard-boiled egg -- cooked for 12 minutes at 100C -- all parts of the egg have a final temperature of 100C, well above the ideal cooking temperature, particularly for the yolk. In the case of egg, sous vide, which is cooked between 60 and 70C, the final egg is at a temperature of 65C. But while this is the ideal temperature for the yolk, it is much too low for the proteins in the egg white to stick together. As for the soft-boiled egg, cooked for six minutes at 100C, the authors say the egg yolk is undercooked. The Italian polymer specialists approached the problem by simulating the process with the help of computational fluid dynamics software, which was used to simulate and analyze the flow of fluids and their interactions with solid surfaces. - Recyclable materials - The solution, they suggest, is to use a saucepan of boiling water at 100C and a saucepan of water at 30C and to transfer the egg from one to the other every two minutes for exactly 32 minutes in total. "It is found that a stationary state at the center of the yolk is reached at a constant temperature of 67C," namely the mean value between the temperatures of the saucepan of boiling water and the saucepan of lukewarm water, Pellegrino Musto, one of the study's authors, told AFP. "Conversely, the albumen alternatively sees temperatures in the range 100–87C and 30–55C during the hot and cold cycles respectively," which allows all the layers of the egg white to reach cooking temperature, added Musto, research director at the National Research Council of Italy's Institute for Polymers, Composites, and Biomaterials. The authors then tested this method of "cooking in cycles" and found that the result was "more similar to the soft boiled when analyzing the texture of its albumen, while it is very similar to the sous videsample when considering its yolk," the study says. Cooking in cycles also has a "better advantage over conventional cooking methods in terms of nutritional content", the authors said. The chemical analysis showed that the yolks of eggs cooked in cycles contained more polyphenols -- healthy micronutrients -- than hard-boiled eggs, soft-boiled eggs or sous vide eggs. Musto said in an email that the result was "(partially) unexpected" and proposed that "temperature degradation of bioactive molecules" at higher temperatures could be a possible cause. The study has also found practical application, with one of the study's authors, Ernesto Di Maio, using the cyclic cooking method "regularly for his family and friends, who appreciate it a lot". However, Musto pointed out that the study would have applications beyond the kitchen, especially concerning recyclability, which he said was the main theme of the research group. "A well-designed thermal profile may allow the development of layered structures within an object made from a single material" that is entirely recyclable, Musto said. "The resulting object will have layered properties as if it were a multi-material object," Musto said, adding that these are "very difficult to recycle" except in rare circumstances.
