This work from 1901 predicts what technological developments will manifest in the twentieth century. The author, a technical journalist, presents ideas for inventions and new developments in the areas of power, transportation, agriculture, mining, domestic applications, electronic devices, warfare, music, art, and news. Many have come to pass. All of them provide an interesting look into how the next century was imagined and what challenges were anticipated for the progress of society. -(Summary by A. Gramour)