2014-07-16 3-D Technology Saves Lives
From VOA Learning English, this is the Health Report. Three-dimensional technology — known as three-D — gives depth to objects that would otherwise appear two-dimensional, or flat. Three-D makes movies…
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From VOA Learning English, this is the Health Report. Three-dimensional technology — known as three-D — gives depth to objects that would otherwise appear two-dimensional, or flat. Three-D makes movies…