Lead white is one of the most important pigments in human history, and its synthesis has promoted the development of art and cosmetics, according to the study. 研究指出，铅白是人类历史上最重要的颜料之一，它的合成促进了艺术和化妆品的发展。Researchers investigated some white cosmetic residue from a...
On September 7,1991, the costliest hailstorm (雹暴) in Canadian history hit Calgary’s southern suburbs.As a result, since 1996 a group of insurance companies have spent about $2million per year on the AlbertaHail Suppression Project. Airplanes seed threatening storm cells with a chemical to ...
This Month in History September 12: Choices On this day in 1962,President John F. Kennedy went to Rice Universityin Houston, Texas, to make a speech justifying his proposed $5.4 billion space program. He had called on Congress in the previous year to fund a massive project to put a man...
Sign InPicturing This Week in History Photos News Home Picturing This Week in History: September 11 – 15 World War II, integration and a peace accord: Here's a look back in time through The Associated Press photo archives. By Jennifer L. O'Shea | Sept. 12, 2023, at 12:15 p.m. ...
History of September In the oldRoman calendar, September was calledmens september,the seventh month, because the Roman calendar started inMarch. September initially had 29 days. In 154BCE, a rebellion forced the Roman senate to change the beginning of the civil year from March to January 1st....
For an overview of Windows 11, version 22H2, see its update history page. Note Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard. Tip: There are more new features available in the configuration update. To lear...
Confucius(孔子)is the greatest teacher in Chinese history. He was born on September 28, 551BC(公元前)in the Kingdom of Lu, in today's Shandong Province. When he was young, he and his mother had a hard life. At the age of fifteen, he began to learn music, and he did well in it...
For an overview of Windows 11, version 21H2, see its update history page. Note Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard. Highlights This update addresses an issue that affects Microsoft Excel. It stops r...
September 11 attacks, series of airline hijackings and suicide attacks committed in 2001 by 19 militants associated with Islamic extremist group al-Qaeda against targets in the United States, the deadliest terrorist attacks on U.S. soil in U.S. history.
James Earl Jones, the revered actor who voiced ‘Star Wars’ villain Darth Vader, starred in ‘Field Of Dreams’ and many other films and is an EGOT winner, died this morning at his home in Dutchess County, NY. He was 93. Read about his life Show more ...