By the early twentieth century, it was found that Earth’s magnetic field is constantly being bombarded by charged particles streaming from the Sun—we call it solar wind. And do I need to tell you when the solar wind is especially strong?
Why is the United States called a nation of immigrantsThe country was settled by the British who came over here looking for religious freedom from Engla 20、nd. But in the late 1700s straight through to the late 18s and the turn of the century, it grew because of the multi-skills and...
Originating inAncient Greeceduring the 5th century BC,direct democracy, sometimes called “pure democracy,” is considered the oldest non-authoritarian form of government. In a direct democracy, all laws and public policy decisions are made directly by a majority vote of the people, rather than by...
There is no "zero" year -- in this system, the year Christ was born is 1 A.D., and the year preceding it is 1 B.C. This practice was first suggested in the sixth century A.D., and was adopted by the pope of that time. It took quite a while for it to become a worldwide...
is capable of reaching almost any user. We now see that the Internet sensation has become a source for collecting suitable info or knowledge and changing data into lucrative results at a much faster rate for many organizations and individuals in this progressive era of the twenty first century....
This still occurs today, especially with adult thrillers or romances that include more exciting, graphic detail than is normally found in the literature for younger readers. By the middle of the 18th century there were enough eager child readers, and enough parents glad to cater to this interest...
A year may be a leap year if it is evenly divisible by 4. Years divisible by 100 (century years such as 1900 or 2000) cannot be leap years unless they are also divisible by 400. (For this reason, the years 1700, 1800, and 1900 were not leap years, but the years 1600 and 2000 ...
In the 1700s, British law designated Feb. 29 as Leap Day. When is the next leap year? Leap years occur every four years unless it falls on a century year that cannot be divided by four. The next leap year will be in 2028. Leap Day that year will be observed on Tuesday, Feb. ...
Amish beliefs originated in Switzerland during the Protestant reformation, a time of great change in Christian religious practices during the 16th century. In the early 1700s, Amish people began emigrating from Europe to the United States, settling mostly in the state of Pennsylvania before eventually...
Power figure “mangaaka“ (Congo, Yombe, 19th century) in the module “Open Storage Africa. Appropriating objects and imagining Africa“ 这些物件的名字我都是在官网上看到才知道。时常会看到它们腿上有绑着tag,但是没有caption。刚刚搜索mangaaka到底是什么的时候才看到原来这也是Humboldt Forum备受批评的一点...