Science Milestones

This Week in Science History

Milestones in science, mathematics, and technology for the week of April 21st — April 27th

(Hybrid AI composite image by Author)

“Everything is theoretically impossible until it is done. One could write a history of science in reverse by assembling the solemn pronouncements of highest authority about what could not be done and could never happen.”
— Robert A. Heinlein (1907–1988)

This is week six of our new series “Science Milestones.” Here, we are highlighting some of the extraordinary people and transformative accomplishments in science, mathematics, and technology over the centuries. This week, April 25th stands out as a happening day for significant events.

What Happened This Week in History

April 21

• 1994: Astronomer announces the first discoveries of extrasolar planets. The breakthrough fundamentally reshaped our understanding of planetary systems by proving that planets exist beyond our solar system.

April 22

• 1692: Scottish mathematician is born. Sterling made fundamental contributions to analysis and mathematical series. He is probably most famous for Sterling’s…