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? Federal Reserve notes are not redeemable in gold, silver, or any other commodity. Federal Reserve notes have not been redeemable in silver since the 1960s. The Congress has specified that Federal Reserve Banks must hold collateral equal in value to the Federal Reserve notes that the Federal Reserve Bank puts in to circulation. This collateral is chiefly held in the form of U.S. Treasury, federal agency, and government-sponsored enterprise securities.