#supersonic

Unmoderated tag

jorgebgt (73)memberin Popular STEM • 13 hours ago
The reusable hypersonic plane
The reusable hypersonic plane Souce The United States Army has just completed not one, but two…
$0.47
Pending payout amount: $0.47
Breakdown:
    0.00 SBD,
    1.80 STEEM,
    1.80 SP
Payout in 7 days
1 0