Imagine you could travel back to the 1930s and tell Michael Cullen what supermarkets are like today. Try to write him a letter. Dear Mr Cullen, I am a student from the 21st century. I am glad to know that you opened the first supermarket in the US. I want to share with you what ...
Made from string covered with leather or cotton sacks stuffed with rags, the balls were easier on the hand. The late 19th century saw baseball made by machine and standardized across the United States to be lighter and harder, and they were capable of hurting a catcher's hands. 37 ...
725.One medical text from the fourth century suggested using the extract from sweet wormwood to treat a fever. 一本四世纪的医学文献建议采用青蒿提取物来治疗发烧。 726.Tu’s team tested a collection of dried wormwood le...
Aprimary disadvantage of AIis that it is expensive to process the large amounts of data AI requires. As AI techniques are incorporated into more products and services, organizations must also be attuned to AI's potential to create biased and discriminatory systems, intentionally or inadvertently. ...
For the first few decades of the 20th century, there was a big debate about how long hope springs eternal in the baseball breast. "Hope springs eternal in the baseball breast until about this timein August,"a Tennessee sports pageread in 1907 (note: emphasis is ours in this and the foll...
For more than a century, a key struggle for the labor movement was reducing the amount of time workers had to spend on the job. Between 1830 and 1930, work hours were cut nearly in half, with economist John Maynard Keynes famously predicting in 1930 that by 2030 a 15-hour workweek ...
The history of this iconic(符号的) garment reflects the rise of the modernChinese women in the twentieth century.In 1920s, the cheongsam flourished in Shanghai. It quickly became the regular outfit ofurban women in metropolitan cities. Through the 1930s and 1940s the cheongsam continued to...
Acceptance of behaviorism is discussed during two periods of the twentieth century when behaviorism was increasing in both popular appeal and rate of criticism. Possible reasons for rejection of Watsonian Behaviorism in the 1930s are outlined and parallels are drawn between the behaviorism of today ...
The recording by Glenn Miller is one of the most recognized and most popular instrumentals of the 20th century. The song even appeared in The Beatles “All You Need is Love” #1 single in 1967. Advertisement Music in 1930 What were the most popular songs in 1930?
Prior to the late 19th century, most economists believed recessions were caused by external factors, such as wars and extreme weather events. Neoclassical economic thinkers developed the idea of business cycles: alternating peaks and troughs of economic expansion and contraction. Recessions, they ...