EditorialThe Climate Clock, now displaying an estimated percentage of the world’s energy now being supplied by renewable sources, and “Metronome,” a public art project, in New York, April 18, 2021. (Jeenah Moon/The New York Times)
EditorialMetronome, a New York City public art project and the Climate Clock, which displays the window for action to prevent the effects of global warming from becoming irreversible, Saturday, Sept. 19, 2020. (Jeenah Moon/The New York Times)
EditorialAutographs of all works by Beethoven, some of them in his own handwriting, from the possession of Rudolf von Habsburg, Cardinal and Archbishop of Olmuetz. Metronome by Maelzel (1811) .