Цены на нефть взлетели до максимума за полгода17:55
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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According to price-tracker GasBuddy analyst Patrick De Haan, the national average gas price is $2.96 per gallon, but it might soon touch $3 by the end of Monday. Those prices are about 20 cents higher than at the end of January, according to AAA data.
Оказавшиеся в Дубае российские звезды рассказали об обстановке в городе14:52