Today is April 25th. On this day in 1874, Italian inventor Guglielmo Marconi, who brought wireless telegraphy to the world, was born. Also, on this day in 1990, the Hubble Space Telescope was deployed from the space shuttle Discovery.
If you find typos in these documents, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.