Erosion

In earth science, erosion is the action of surface processes (such as water flow or wind) that remove soil, rock, or dissolved material from one location on the Earth's crust, then transport it away to another location. The particulate breakdown of rock or soil into clastic sediment is referred to as physical or mechanical erosion; this contrasts with chemical erosion, where soil or rock material is removed from an area by its dissolving into a solvent (typically water), followed by the flow away of that solution. Eroded sediment or solutes may be transported just a few millimetres, or for thousands of kilometres.

Natural rates of erosion are controlled by the action of geomorphic drivers, such as rainfall; bedrock wear in rivers; coastal erosion by the sea and waves; glacial plucking, abrasion, and scour; areal flooding; wind abrasion; groundwater processes; and mass movement processes in steep landscapes like landslides and debris flows. The rates at which such processes act control how fast a surface is eroded. Typically, physical erosion proceeds fastest on steeply sloping surfaces, and rates may also be sensitive to some climatically-controlled properties including amounts of water supplied (e.g., by rain), storminess, wind speed, wave fetch, or atmospheric temperature (especially for some ice-related processes). Feedbacks are also possible between rates of erosion and the amount of eroded material that is already carried by, for example, a river or glacier. Processes of erosion that produce sediment or solutes from a place contrast with those of deposition, which control the arrival and emplacement of material at a new location.

Crash Course

Crash Course (also known as Driving Academy) is a 1988 made for television teen film directed by Oz Scott.

Plot

Crash Course centers on a group of high schoolers in a driver’s education class; many for the second or third time. The recently divorced teacher, super-passive Larry Pearl, is on thin ice with the football fanatic principal, Principal Paulson, who is being pressured by the district superintendent to raise driver’s education completion rates or lose his coveted football program. With this in mind, Principal Paulson and his assistant, with a secret desire for his job, Abner Frasier, hire an outside driver’s education instructor with a very tough reputation, Edna Savage, aka E.W. Savage, who quickly takes control of the class.

The plot focuses mostly on the students and their interactions with their teachers and each other. In the beginning, Rico is the loner with just a few friends, Chadley is the bookish nerd with few friends who longs to be cool and also longs to be a part of Vanessa’s life who is the young, friendly and attractive girl who had to fake her mother’s signature on her driver’s education permission slip. Kichi is the hip-hop Asian kid who often raps what he has to say and constantly flirts with Maria, the rich foreign girl who thinks that the right-of-way on the roadways always goes to (insert awesomely fake foreign Latino accent) “my father’s limo”. Finally you have stereotypical football meathead J.J., who needs to pass his English exam to keep his eligibility and constantly asks out and gets rejected by Alice, the tomboy whose father owns “Santini & Son” Concrete Company. Alice is portrayed as being the “son” her father wanted.

NBC Nightly News

NBC Nightly News (titled as NBC Nightly News with Lester Holt for its weeknight broadcasts since June 22, 2015) is the flagship daily evening television news program for NBC News, the news division of the NBC television network in the United States. First aired on August 3, 1970, the program is currently the most watched network newscast in the United States, with an average of 9.3 million viewers, just a few thousand more than its nearest rival, ABC's World News Tonight.NBC Nightly News is produced from Studio 3B at NBC Studios at 30 Rockefeller Center in New York City.

Since 2015, the broadcast is anchored by Lester Holt on weeknights, rotating anchors on Saturday and Kate Snow on Sunday. Previous weekday anchors have included David Brinkley, John Chancellor, Tom Brokaw, and most recently Brian Williams.

The program is broadcast live over most NBC stations from 6:30 to 7:00 p.m. Eastern Time seven days a week; a special "Western Edition" of the program occasionally features updated information on news stories covered during the original telecast for Pacific Time Zone viewers. Its current theme music, "The Mission" (which debuted in 1985) was composed by John Williams.

Nightly News

Nightly News may refer to

Billy Blue

Billy Blue or William Blue (c.1767 - 7 May 1834) was an Australian convict. Although Billy Blue’s place and date of birth are uncertain, convict records suggest he was born in Jamaica, New York around 1767.

Early life

On 4 October 1796, Blue was convicted, at Maidstone, in Kent, of stealing raw sugar and sentenced to seven years transportation. After serving over four years in the convict hulks (Prison ship), he was transported to Botany Bay, Australia, in the convict ship Minorca.

Transportation to Australia

Blue arrived in Sydney in 1801 and served out the remaining two years of his sentence. In 1804, records show him living in ‘the Rocks’, then a very tough part of the city. There he met Elizabeth Williams, a 30-year-old convict from Hampshire, England, who had arrived in June 1804. On 27 April 1805, they were married at the old St. Philip's Anglican church in Sydney, where 5 of their 6 children were later christened.

Career

Blue later became a boatman, ferrying passengers across Sydney Harbour. He was also made a water bailiff and watched boat traffic on Port Jackson from a special tower. Despite being a bailiff, it seems Billy didn't do everything by the book. It was said that his law infringements were frequent, but due to his colourful personality, they were looked upon with a "benevolent air" by the authorities.