A line graph showing global temperature anomalies from 1880 to 2022, with a rising trend and a sharp increase after 2000.
A line graph showing total electron tubes manufactured per year from 1930 to 1940, with a significant increase in 1938 and 1939.
Gray star-shaped outlines with wavy lines connecting them on a black background.
White abstract snake on black background.
A black and white illustration of a chess game in progress, showing a chessboard and pieces.
Outline of three connected star shapes with wavy, irregular lines in dark gray.
Abstract black and white shape resembling a flowing ribbon or abstract figure.