Month: September 2024

Space-Time

In physics, space-time is a four-dimensional continuum consisting of three dimensions in space and one dimension in time. This mathematical model, which is an integral part of Einstein’s relativity theory, combines space and time into a single continuum that allows physicists to more uniformly describe the workings of the universe. The merger of space and time is often represented as a measure of distance expressed in units of time. What novelists have referenced the topic of space-time? Discuss

CBS Evening News Expands to Half Hour (1963)

The CBS Evening News is the chief nightly news program of the American television network CBS. The network has broadcast the program since 1948, when it was called The CBS-TV News. Legendary journalist Walter Cronkite took over as the program’s anchor in 1962, and the following year, the show was expanded from 15 minutes to 30 minutes, becoming network television’s first half-hour nightly news program. When Cronkite retired in 1981, who replaced him as the show’s anchor? Discuss

Louis Bonaparte (1778)

Louis was the younger brother of Napoleon Bonaparte, the first Emperor of France. He accompanied Napoleon on the Italian campaign and was his aide-de-camp in Egypt. At Napoleon’s insistence, he married Hortense de Beauharnais, but the union did not last. Proclaimed king of Holland in 1806, he was criticized by Napoleon for being too easy on his subjects. His unwillingness to join the Continental System led him into conflict with Napoleon and to eventually flee his kingdom. Who was Louis’s son? Discuss

Polymers

Both DNA and plastic, two seemingly unrelated materials, are classified as polymers, compounds of usually high molecular weight consisting of a number of structural units linked together by covalent bonds. A diverse assortment of natural and synthetic materials comprises the class of polymers, including hair, polyester, and shellac. Polymers are even used in the production of microprocessor parts. What is the process that produces polymers called? Discuss

Germany Invades Poland (1939)

After staging Polish attacks on German forces to create the appearance of Polish aggression, Germany invaded Poland, beginning WWII. Britain and France declared war on Germany two days later, and all the members of the Commonwealth of Nations, with the exception of Ireland, rapidly followed suit. The German blitzkrieg crushed the Polish defenses. Within a month all of Poland was occupied by German forces as well as the forces of what state with whom Germany had just signed a non-aggression pact? Discuss

Parahumans

Once solely a concept of science-fiction, the parahuman, or human-animal hybrid, has recently entered the realm of reality. Efforts to combine genes from different species for medical and industrial purposes are now fairly common. Though such research could prove useful for the production of drugs and transplant-ready organs, it has raised numerous ethical, moral, and legal issues. Have scientists created human-animal hybrid embryos? Discuss