This fragmentation hurts portability. Code that performs well on one runtime may behave differently (or poorly) on another, even though it's using "standard" APIs. The complexity burden on runtime implementers is substantial, and the subtle behavioral differences create friction for developers trying to write cross-runtime code, particularly those maintaining frameworks that must be able to run efficiently across many runtime environments.
"If we find out for example, that 60% of our young people are working in really hard physical labour, we will need to make sure that in 20 years time we've invested in physiotherapy," she said.
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Lovell, Jack Swigert and Fred Haise were men of science - highly trained and determined to follow Armstrong and Aldrin to the lunar surface. But things went badly wrong.
Older people with exceptional memory have a surprisingly high number of young neurons, study finds.