Current X-ray lasers require facilities that are kilometres long. A cavity-based set-up about 66 metres in length has been developed that uses highly reflective mirrors to enable the generation of high-intensity pulses of narrow-band X-ray radiation. This promises to overcome the limitations of current X-ray lasers.
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the 4730, 4731, 4736, 4737, and 4738. These various models were introduced from
По итогам 2025 года экспорт нефти и нефтепродуктов из России упал на один и почти семь процентов, до 238 и 114 миллионов тонн соответственно. Об этом на открытой встрече в образовательном центре «Сириус» рассказал вице-премьер Александр Новак, передает РИА Новости.