8. Ultrafast submarine.
In comparison to other modes of transportation, submarines move quite slowly. The K-222 boat, which was capable of reaching 80 km/h, was the fastest boat for a considerable amount of time. However, if the concept is successful in the future, the submarine might travel across the Pacific in 1.5 hours. The idea calls for the utilisation of unique technology, like that found on some Russian-made torpedoes. According to scientists, the boat’s top speed might be 5800 km/h.
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