Pull out the AV receiver in the surround-sound system and turn it around to inspect the back of the component. Look for a connected black box labeled with the name of the audio-captioning service plugged into a set of inputs on the rear of the receiver.
Richard Nixon in 1971. The Nixon shock was a series of economic measures undertaken by United States President Richard Nixon in 1971, the most significant of which was the unilateral cancellation of the direct international convertibility of the United States dollar to gold.
Is U.S. currency still backed by gold? No, when the United States stopped selling gold to foreign official holders of dollars at the rate of $35 an ounce in 1971, it brought the gold exchange standard to an end. In 1973, the United States officially ended its adherence to the gold standard.