A computational framework for tracking grain boundaries in 3D image data: Quantifying boundary curvatures and velocities in polycrystalline materials

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Founded by brothers Ralph and Albert Slazenger in 1881, the brand became a go-to for golf and tennis equipment and was appointed the official ball supplier for Wimbledon in 1902.

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Ars covered the intrigue surrounding the spacecraft in late January, which was initiated by US Senator Ted Cruz, R-Texas, as part of the "One Big Beautiful Bill" legislation in the summer of 2025. The bill provided $700 million for NASA to develop the orbiter and specified funding had to be awarded "not later than fiscal year 2026," which ends September 30, 2026. This legislation was seemingly crafted by Cruz's office to favor a single contractor, Rocket Lab. However, multiple sources have told Ars it was poorly written and therefore the competition is more open than intended.

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