June 30: Difference between revisions

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{{Daily Image/June 30}}
== Better Than News ==
{{Better Than News/June 30}}
== Are You Sure ==
{{Are You Sure/June 30}}
== On This Day in Fiction and Nonfiction ==
{{Selected anniversaries/June 30}}
{{Selected anniversaries/June 30}}
== Topic of the Day ==
{{Daily Favorites/June 30}}

Revision as of 10:57, 13 June 2022


Better Than News

Are You Sure

The Tunguska Event Preservation Society launches fundraiser to simulate the 1927 Tunguska expedition.

• ... that the Tunguska event was a massive explosion that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of June 30, 1908; that the explosion flattened an estimated 80 million trees over an area of 2,150 km2 (830 sq mi) of forest; that eyewitness reports suggest that at least three people may have died in the event; and that the explosion is generally attributed to the air burst of a stony meteoroid about 100 metres (330 feet) in size?

• ... that Albert Einstein's article "On the Electrodynamics of Moving Bodies" (published in Annalen der Physik) introduced special relativity?

• ... that mathematician William Oughtred invented the slide rule in 1622?

On This Day in Fiction and Nonfiction

Topic of the Day

Philip K. Dick