US Develops Underwater Drone “Manta Ray” for Exploration, Research, and Surveillance in Unreachable Ocean Depths
America has created an unmanned drone that can go even where humans cannot go in the ocean. It can do
Read moreAmerica has created an unmanned drone that can go even where humans cannot go in the ocean. It can do
Read moreगाय के गोबर से उड़ेगा रॉकेट, इस देश ने दुनिया को दिखाया साइंस का दम जापानी अंतरिक्ष स्टार्टअप इंटरस्टेलर टेक्नलॉजीज़
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