Ball Aerospace's Jake Lewis is reflected in one of the mirrors on a James Webb space Telescope Array, in the X-ray and cryogenic facility for testing.

波尔航空航天的Jake Lewis正在向我们展示一组镜子—詹姆斯·韦伯太空望远镜阵列，它正在低温和X射线中进行测试。

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Form dough into ball and place on lightly greased baking sheet. With sharp knife, cut an "X" 1/3 inch deep into top of loaf.

将面团揉成圆球状后放到抹了油的烤纸上，用把锋利的刀在面团上划个十字型，大约1/3寸深。

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Worn surface morphology and element chemistry configuration of steel ball were analyzed by means of X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM).

用扫描电子显微镜和X射线光电子能谱仪观察分析了磨损表面形貌和元素化学形态。

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SportVU uses the concept behind missile-tracking technology to log the exact location of every player and the ball 25 times per second on X, Y and Z coordinates, leading to millions of data points for NBA teams' resident quants to study.

WSJ: Tracking Technology Goes Back to School

At Beth Israel Deaconess Medical Center, Dr. Stephen Epstein, attending physician in the emergency department, said X-rays of patients showed metal balls that appeared to be ball bearings.

WSJ: Two Explosions at Boston Marathon Finish Line