From airliners to supertankers, GPS has long been invaluable for safe navigation, but its signals can easily be jammed and almost as easily faked. Researchers are racing to develop backups.
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Before the container was standardized, loading and unloading goods was very labor-intensive, inefficient and costly.
Before the container was standardized, loading and unloading goods was very labor-intensive, inefficient and costly.
When the 1918 influenza pandemic struck India, the death toll was highest among the poor.
