The US has reduced the number of H-1B visas for high-skilled workers from 195,000 to 65,000 since 2001. H-1B visas are required for foreign nationals with a college degree in special occupations. Asians, especially Indians, receive 40% of H-1B visas. The UK has also lowered its quota for skilled workers. The United States offers less […]
US firefighters have increased by 40% since the 1970s despite a 40% decrease in fires. They now provide paramedical services, education, and accompany ambulances. Volunteer firefighters are more common than professionals. In 2010, 87 firefighters died on duty. Many emergency requests are for hook-and-ladder trucks, and 911 calls for medical assistance have tripled since 1980. […]
Finnair Flight 666 flew 21 times on Friday the 13th without incident, including its last flight on October 13, 2017. The flight number was later changed to 954, with the airline denying any connection to the satanic associations of 666. Friday the 13th has long been feared due to its ominous origins in the New […]
The Internet Assigned Numbers Authority assigns and maintains internet addresses, including top-level domain management and IP and ASN numbers. It operates under ICANN’s policies to ensure unique web numbering addresses. The Internet Assigned Numbers Authority®, often called IANA® for short, is the worldwide organization that assigns Internet addresses and maintains a database of numeric and […]
Airlines assign flight numbers based on internal methodology and agreed-upon parameters to avoid confusion at flight control towers. They also assign numbers based on the direction of the flight and the type of passengers it will carry. Airlines can also choose significant or extravagant numbers, as long as they don’t violate IATA regulations. Flight numbers […]
Safety in numbers is the belief that individuals are more confident when engaging in certain activities as part of a group. This concept applies to animals and humans, including traffic safety. Large groups provide a statistical advantage of safety, while also raising awareness of the presence of individuals. Cycling activist groups encourage cyclists to travel […]
The law of large numbers states that as the sample size increases, the sample mean of random variables will approach the theoretical mean. A coin is often used to demonstrate this concept. Adequate sample size is needed to ensure representative results, determined by a formula that considers the desired confidence interval. The law of large […]
Dialing international phone numbers requires knowledge of country and city codes. Local directories may provide instructions and maps. Dial 011 plus country and city codes for regular calls, or 01 plus codes for operator assistance. Cell phone procedures vary by provider, and special rate plans may be available. While email and text messages often facilitate […]
Forty and “first” have letters in alphabetical order, while “one” has them in reverse order. Eighty-eight is the longest number typed with alternating hands, “interchangeability” forms many numbers, and four has the same number of letters as its meaning. Forty is the only number that, when written, has its letters in alphabetical order. The word […]
