麻豆社

There are serious question marks being raised over the Global Positioning System (GPS) after reports circulated that some shipping in the Black Sea may have been disrupted recently by GPS spoofing. This means that a false signal is manipulated to confuse a satellite receiver, jamming the true location of a vessel, even making it look like it has moved to another location. This vulnerability is considered so serious that countries are developing back-up systems based on old World War II radio technology. Professor Todd Humphreys from the University of Texas says our trust in GPS has to be questioned.

(Photo caption: View of cargo ships 漏 Luis Acosta/AFP/Getty Images)