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Washington DC, Reagan National Airport
- Overcast, light rain
- Temperature: 33.8 °F
- Wind: North, 6.9 mph
- Pressure: 29.77 inHg
- Rel. Humidity: 86%
- Visibility: 9 miles
Tue, 01/06/2009 - 23:52
Einstein
Scientists investigate that which already is; engineers create that which has never been.