Engineers are taking their skills into outer space. In the ceaseless quest for knowledge, a vast orbiting laboratory is being built hundreds of kilometres above the .\r
\r
In her final days as Commander of the International Space Station, Sunita Williams of NASA recorded an extensive tour of the orbital laboratory and downlinke.\r
\r
The biggest, the longest, the fastest, the scariest. Engineers are taking their skills into literally uncharted territories. In the ceaseless quest for knowledge, a vast .