Re-Reading Torah, Re-Reading Science Texts, in 5783/2022 (&2023) Another Calendrics Blog Post First Posted Friday, November 25, 2022 / Rosh Chodesh, Yom shishi, Kislev, 5783. By David Orenstein, Emeritus, Danforth CTI, Toronto, Ontario, Canada david.orenstein@alumni.utoronto.ca It’s Rosh Chodesh once more. Only this month it’s Kislev, the month of Chanukah, which begins on Yom sheni, 25 … Continue reading Re-Reading Torah, Re-Reading Science Texts →

Catching up with Prince Peter Kropotkin, from 125 Years Ago   2022 Anniversaries in the History of Canadian Science and Technology. First posted Friday, November 4, 2022 / Yom shishi, 10 Cheshvan, 5783. By David Orenstein, Emeritus, Danforth CTI, Toronto david.orenstein@alumni.utoronto.ca In 1897, 125 years ago, Prince Peter Kropotkin was in Canada for the 1897 … Continue reading Catching up with Prince Peter Kropotkin, from 125 Years Ago →

It’s Simchat Torah, 5783!!! Another Calendrics Blog Post Wednesday, October 26, 2022 / Rosh Chodesh, Yom revi’i, 1 Cheshvan, 5783. By David Orenstein, Emeritus, Danforth CTI, Toronto, Ontario, Canada david.orenstein@alumni.utoronto.ca On a recent Sunday evening (October 16, 2022 / Yom sheni, 22 Tishrei, 5783), I went to synagogue in-person (but masked) to join our observance … Continue reading It’s Simchat Torah, 5783: Another Calendrics Blog Post →

Ross Fair Speaks on Agricultural Association of Upper Canada Riverdale Historical Society, Tuesday, October 25, 2022, at 6:30 pm. Announcements in the History of Canadian Science and Technology. First posted Friday, October 21, 2022 / Yom shishi, 26 Tishrei, 5783. by David Orenstein, Emeritus, Danforth CTI, Toronto david.orenstein@alumni.utoronto.ca You might remember my post about Robert … Continue reading Ross Fair on the Agricultural Association of Upper Canada →

“I’m sorry. I’ll do better.” Yom Kippur, 5783. A Calendrics Blog Post. A 2022 Anniversaries in Canadian Science and Technology Blog Post. Tuesday, October 4, 2022 / Erev Yom Kippur 5783, Yom rishon, 9 Tishrei, 5783. David Orenstein, Emeritus, Danforth CTI, Toronto, Ontario, Canada david.orenstein@alumni.utoronto.ca This evening, after sunset (6:35 pm EDT in Toronto), I’ll … Continue reading “I’m sorry. I’ll do better”: A Calendrics Blog Post →

Shana Tovah! Gut Yontif! Happy New Year, 5783! Another Calendrics Blog Post Sunday, September 25, 2022 / Erev Rosh ha-Shonah 5782/5783, Yom rishon, 29 Elul, 5782. David Orenstein, Emeritus, Danforth CTI, Toronto, Ontario, Canada david.orenstein@alumni.utoronto.ca At 6:00 pm this evening, I’ll be going to synagogue and, instead of virtually, it will be in-person (but masked). … Continue reading Shana Tovah! Gut Yontif! Happy New Year, 5783! →

Robert O’Dell III, United Empire Loyalist At Riverdale Historical Society, Tuesday, September 27, 2022, at 6:30 pm Announcements in the History of Canadian Science and Technology. First posted Friday, September 23, 2022 / Yom shishi, 27 Elul, 5782. By David Orenstein, Emeritus, Danforth CTI, Toronto david.orenstein@alumni.utoronto.ca Last week I wrote here, that having seen Robert … Continue reading Robert O’Dell III, United Empire Loyalist →

Tectonics at the 1972 Montréal International Geological Congress (IGC) 2022 Anniversaries in the History of Canadian Science and Technology: The Montréal Sessions of the 1972 International Geological Congress (IGC) First posted Thursday, September 22, 2022 / Yom chamishi, 26 Elul, 5782. By David Orenstein, Emeritus, Danforth CTI david.orenstein@alumni.utoronto.ca As I wrote here on Tuesday, September … Continue reading Tectonics at the 1972 Montréal International Geological Congress (IGC) →

Peter Kropotkin On Tour in Manitoba 2022 Anniversaries in the History of Canadian Science and Technology. First posted Wednesday, September 21, 2022 / Yom rishon, 25 Elul, 5782. By David Orenstein, Emeritus, Danforth CTI, Toronto david.orenstein@alumni.utoronto.ca On Tuesday, September 21, 1897, exactly 125 years ago – a century and a quarter – Prince Peter Kropotkin … Continue reading Peter Kropotkin On Tour in Manitoba →