The chain gang will no longer be the primary method the NFL will use to measure first downs, going with the Hawk-Eye virtual measurement instead.

Using an innovative laser measurement system, previously ... Image Velocimetry (PIV), an established technique in fluid ...

The method for measuring first downs in the NFL will switch from chain gangs to camera-based technology in 2025, the league announced Tuesday.

The truth, however, is more complicated: Though imperial units are commonly used in the U.S., the metric system is actually the nation’s preferred system of measurement.

The metric system of measurement was originally established in France in 1790, after which it swiftly swept all of Europe in a multinational effort to standardize measurement across cultures.

Nielsen One Alpha will be specific to ad campaigns, unveiling the first cross-platform measurement system of its kind that offers both comparability and audience deduplication across all screens ...

The chain gang will no longer be the primary method the NFL will use to measure first downs, going with the Hawk-Eye virtual measurement instead.

The chain gang will no longer be the primary method the NFL will use to measure first downs, going with the Hawk-Eye virtual measurement instead.