| 31. | This inconsistency with observation sent Einstein back to the drawing board.
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| 32. | Now we're going to go back to the drawing board.
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| 33. | Offensively, we need to go back to the drawing board,
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| 34. | So, both teams have gone back to the drawing board.
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| 35. | Again, the idea got no further than the drawing board.
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| 36. | They were sent back to the drawing boards several times.
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| 37. | EPIC wentfrom the drawing board to fruition in three years.
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| 38. | With deadlines looming, engineers went back to the drawing board.
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| 39. | Unfortunately, some of these efforts never left the drawing board.
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| 40. | Other projects are on the drawing boards in the corridor.
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