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Aerospace giant Lockheed Martin offered to "execute Mars Sample Return (MSR) as a firm-fixed price solution for under $3 ...
Recently, the substitution of inactive elements has been reported as a promising strategy for improving the structural stability and electrochemical performance of layered cathode materials for sodium ...
Every inch of the Concorde pushed the limits of aviation—from its titanium-strengthened aluminum skin to a nose that dropped for landing visibility. It flew at 60,000 feet and endured temperature ...