Using a high-performance engine that already existed gave NASA a considerable boost in developing its next rocket for space exploration. The RS-25 handles a wide range of temperatures â super-cold on top, super-hot at the bottom. The remaining shuttle engine inventory will be enough for the first four SLS flights.
Definition of infinity pool. : an outdoor swimming pool having an edge over which water flows into a trough but seems to flow to the horizon.
At the San Alfonso del Mar resort in Chile, a quick dip could well turn into a marathon. Swimming a length in this, the world's largest outdoor pool, would mean stroke after stroke for more than three fifths of a mile - that's 20 Olympic-size swimming pools.