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necho41 (62)in Popular STEM • 7 days ago • 7198.4023
Shape-shifting aircraft
shape-shifting aircraft Innovation in materials In the future, aircraft can change shape during…
$1.24
Pending payout amount: $1.24
Breakdown:
    0.00 SBD,
    3.39 STEEM,
    3.39 SP
Payout in 2 hours
18 0