Science History
todayinsci.bsky.social
Science History
@todayinsci.bsky.social
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The scientists and events in science, followed day by day.
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❝Mathematical physics is in the first place physics and it could not exist without experimental investigations.”
— Peter Debye, Dutch-American physical chemist, died #onthisday ✝️2 Nov 1966.

See more science events on this day at todayinsci.com/11/11_02.htm
❝The beauty of physics lies in the extent which seemingly complex and unrelated phenomena can be explained…by a set of laws which are amazing in their simplicity.❞
— Melvin Schwartz, American physicist, born #onthisday 🌟2 Nov 1932.

See this #quote in full at todayinsci.com/S/Schwartz_M...
Sunday 2 Nov 2025—#onthisday 🗓️Daylight Saving Time (DST) ended in the U.S. at 2 am.

The dates for changing to and from DST were last changed by Congress on 4 Nov 2007. Read why at todayinsci.com/11/11_04.htm...

Also read many more science events for 2 Nov at todayinsci.com/11/11_02.htm
❝The Commissioner of Patents…has in his office the wine of human progress of every kind and quality…from the fermentation of the facts of the world through the yeast of human effort.❞
— Robert Duncan, industrial chemist born #onthisday 🌟1 Nov 1868.

More #quotes at todayinsci.com/D/Duncan_Rob...
❝Science is the collection of nature’s answers; the humanities the collection of men's thoughts.❞
— Sir Gavin de Beer, English zoologist, was born #onthisday 🌟1 Nov 1899.

See more of his #quotes at todayinsci.com/D/DeBeer_Gav...
❝It is true that a mathematician who is not somewhat of a poet, will never be a perfect mathematician.”
— Karl Weierstrass, German mathematician, born #onthisday 🌟31 Oct 1815.

See more of his #quotes at todayinsci.com/W/Weierstras...

Weierstrass is indicating logic requires additional inspiration.
31 Oct—It’s 🗓️National Doorbell Day.

Joseph Henry (17 Dec 1797-13 May 1878) made the first electric battery doorbell demo to his classes at the Albany Academy. He became the first Secretary (director) of the Smithsonian Institution.

See more of his #quotes at todayinsci.com/H/Henry_Jose...
31 Oct 🗓️ A Halloween Chamber of Horrors is an intriguing article from 1916. Learn how Halloween could be celebrated with equipment from a school physics lab. Halloween theatricality over a century ago!

Read 📖 todayinsci.com/Articles/Hal...

More science for today at www.todayinsci.com/10/10_31.htm
It’s 🗓️31 Oct! Halloween!!

❝So many people, when they don their memory caps, associate the removal of gates from their proper hinges, of signposts moved to ridiculous settings, and the placing wagons and plows (on the barn roof, etc.)❞

— Read Halloween science 1918 todayinsci.com/Articles/Mec...
❝Nor must we forget that in science there are no final truths.❞
— Claude Lévi-Strauss, French social anthropologist, died #onthisday ✝️30 Oct 2009.

See more of his illustrated #quotes at todayinsci.com/L/LeviStraus...
❝The #biologist passes, the #frog remains.❞
— Jean Rostand, born 🌟30 Oct 1894.

See more of his pithy #quotes at todayinsci.com/R/Rostand_Je...
❝We live in a world where unfortunately the distinction between true and false appears to become increasingly blurred by manipulation of facts, by exploitation of uncritical minds, and …❞
— Arne Tiselius, Swedish biochemist, died #onthisday ✝️29 Oct 1971.

See in full: todayinsci.com/T/Tiselius_A...
❝Algebra is generous; she often gives more than is asked of her.❞
— Jean le Rond D’Alembert, French mathematician, who died #onthisday ✝️29 Oct 1783.

See more of his #quotes, several illustrated, at todayinsci.com/D/DAlembert_...
29 Oct — It is 🗓️National Cat Day.

Enjoy the ❝Cat❞ #quotes on our site at todayinsci.com/QuotationsCa...
❝You never have an idea of what you might accomplish. All that you do is you pursue a question. And see where it leads.❞
— Jonas Salk, American microbiologist, born #onthisday 🌟28 Oct 1914.

He pursued the right questions for a polio vaccine.

Read his #quotes at todayinsci.com/S/Salk_Jonas...
❝Computer science…jobs should be way more interesting than even going to Wall Street or being a lawyer—or, I can argue, than anything but perhaps biology, and there it’s just a tie.❞
— Bill Gates, U.S. businessman born #onthisday 🌟28 Oct 1955.

Read his #quotes at todayinsci.com/G/Gates_Will...
❝I had fought on behalf of man against the sea, but I realised that it had become more urgent to fight on behalf of the sea against men.❞
—Alain Bombard, French biologist and adventurer, who was born #onthisday 27 Oct 1924.

See more at todayinsci.com/B/Bombard_Al...
❝There are no foolish questions and no man becomes a fool until he has stopped asking questions.❞
— Charles Proteus Steinmetz, German-American electrical engineer and inventor, who died #onthisday ✝ 26 Oct 1923.

See a score more of his #quotes at todayinsci.com/S/Steinmetz_...
❝In those early days, the Chief Engineer was almost always the Chief Pilot as well. This had the automatic result of eliminating poor engineering very early in aviation.❞
— Igor I. Sikorsky, Russian-US aircraft designer, died ✝️26 Oct 1972.

See his #quotes at todayinsci.com/S/Sikorsky_I...
❝To be a cosmologist, you must know particle physics.❞
—David N. Schramm, American theoretical cosmologist, born #onthisday 🌟25 Oct 1945.

See another of his #quotes at todayinsci.com/S/Schramm_Da...
❝The most worthwhile scientific books are those in which the author clearly indicates what he does not know; for an author most hurts his readers by concealing difficulties.❞
—Évariste Galois, French mathematician born #onthisday 🌟25 Oct 1811.

See his #quotes at todayinsci.com/G/Galois_Eva...
❝Beneath all the wealth of detail in a geological map lies an elegant, orderly simplicity.❞
— J. Tuzo Wilson, Canadian geologist and geophysicist, born #onthisday 🌟24 Oct 1908.

More of his #quotes at
todayinsci.com/W/Wilson_Tuz...

Read other events on this day at www.todayinsci.com/10/10_24.htm
❝These little Creatures do not equal an ordinary grain of Sand in bigness: And comparing them with a Cheese-mite…I make the proportion…be like that of a Bee to a Horse.❞
— Antonie Leeuwenhoek, Dutch biologist, microscopist born #onthisday 🌟24 Oct 1632

todayinsci.com/L/Leeuwenhoe...
❝Continents are complexes of scar tissue.❞
— J. Tuzo Wilson, Canadian geologist and geophysicist, born #onthisday 🌟24 Oct 1908.

See more of his #quotes at todayinsci.com/W/Wilson_Tuz...
❝The life of a wild animal always has a tragic end.❞
— Ernest Thompson Seton, English-U.S. naturalist, author ✝ died #onthisday 23 Oct 1946.

Enjoy his short story “Silverspot, The Story of a Crow” at todayinsci.com/S/Seton_Erne...

and read a short biography todayinsci.com/S/Seton_Erne...