Canada “bắc thang” lên trời
Hãng công nghệ Thoth của Canada vừa công bố dự án xây một tòa tháp cao 20km để đưa phi hành gia đi bằng thang máy lên tầng bình lưu trước khi lên tàu vũ trụ bay vào không gian.
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Zzjhu5cu4bqzw6Dhu5cu4buX4buZaWjDqS7hu4XhurlpM2jDqS5bLmjDqTHhu6cu4buZcMO04bq7LuG6rzdow6ku4buX4bq5IGjDqS5nMOG7p0AvQCUv4buRKiXhu5Eu4bqxZiDhu5Xhu5VWLOG7keG6rmnhurfhu6csKuG7luG6ueG6tWku4bqw4bq54bq9aOG6uS7hu5Hhurnhu58lL+G7kSo=