EditorialMorse, Samuel (1791-1872). American inventor of the Registrar Electromagnetic Telegraph, as well as two separate devices for sending and receiving messages (1832-1835).
EditorialA heat pump made by Vaillant, in a special room where the German company tests the device's electromagnetic radiation, in Remscheid, Germany, Sept. 16, 2022. (Patrick Junker/The New York Times)
EditorialA heat pump made by Vaillant, in a special room where the German company tests the device's electromagnetic radiation, in Remscheid, Germany, Sept. 16, 2022. (Patrick Junker/The New York Times)
EditorialMorse, Samuel (1791-1872). American inventor of the Registrar Electromagnetic Telegraph, as well as two separate devices for sending and receiving messages (1832-1835).
EditorialMorse, Samuel (1791-1872). American inventor of the Registrar Electromagnetic Telegraph, as well as two separate devices for sending and receiving messages (1832-1835).