If Discovery blasts off Sunday, the mission will last 13 days and feature three spacewalks, the first of which will be to install the new solar wings.

如果发现号在周日发射升空，此次飞行将持续13天，其主要任务是完成三次太空行走，其中的第一次行走将是安装新的太阳能电池板。

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In 1938, Katherine Blodgett was awarded the patent for non-reflecting glass, a discovery that has since been used to de-ice aircraft wings and increase the effectiveness of smoke screens.

BBC: Women look to shape the future