№ 038 · 04·A6

The extended present

1905 · Special relativity

Idea

04 of 10

Layout

Route A · matrix · seed 5

Theme

paper · paper-copy texture

Drawing

The light cone at 45° with the hyperbolas t² − x² = c² and x² − t² = c² for c = 0.22, 0.44, 0.70 and 1; points on one curve share one spacetime interval.

Figures

• Fig. 4.3A Section of the Constellation Cygnus (August 13, 1885), Paul Henry, 1885
• Fig. 4.4Lantern, American, ca. 1825
• Fig. 4.5Le telescope de la place de la Bastille, Louis Vert, ca. 1900
• Fig. 4.6Lunar Photograph, South Pole, Paul Henry, 1890
• Fig. 4.7Lantern, M'Cord & Shiner, 1825–31

Format

1680 × 2376 · 1 : 1.414 · AVIF 7 KB / 36 KB / 248 KB

Use

© 2026 Rantasalo & Co. Oy. CC BY-NC-ND 4.0: share unchanged, with credit, non-commercially. Photographs and textures: public domain (CC0), The Metropolitan Museum of Art Open Access.