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The thermal cycler (also known as a thermocycler, PCR machine or DNA amplifier) is a laboratory apparatus most commonly used to amplify segments of DNA via the polymerase chain reaction (PCR). [1] Thermal cyclers may also be used in laboratories to facilitate other temperature-sensitive reactions, including restriction enzyme digestion or rapid ...
Mark Rober is an American YouTuber, engineer, inventor, and educator. He is known for his YouTube videos on popular science and do-it-yourself gadgets . Before he became a YouTuber, Rober was an engineer with NASA for nine years, where he spent seven years working on the Curiosity rover at NASA's Jet Propulsion Laboratory .
That Guy with the Glasses was launched in April 2008. It showcased satirical reviews of movies, television shows, music, comic books and video games.The website was built around the work of Walker, including Nostalgia Critic (comedic recaps of bad movies), 5 Second Movies (hyper-edited feature films), Ask That Guy with the Glasses (a comedy question and answer show) and Bum Reviews (humorous ...
Clint Basinger (born December 20, 1986), [2] better known as LGR (originally an initialism of Lazy Game Reviews), is an American YouTuber who focuses on video game reviews, retrocomputing, and unboxing videos. His YouTube channel of the same name has been compared to Techmoan and The 8-Bit Guy.
The Emerson "Heat Fan", the first ceiling fan to use a stack motor A close-up of the dropped flywheel on a FASCO "Charleston" ceiling fan Stack-motor ceiling fans. In the late 1970s, due to rising energy costs prompted by the energy crisis , Emerson adapted their "K63" motor, commonly used in household appliances and industrial machinery, to be ...
When the doors opened, dozens of men and women were ushered to a reception center where first they were greeted by Guatemalan Vice President Karin Herrera and other officials.
In non-steam molding, water will heat the tool to a constant temperature. Plastic will be injected to the warm tool. In steam molding, steam is injected at 160 degrees to heat the tool. When the tool reaches a predetermined temperature (about 140 degrees), the plastic is injected. Cold water is immediately added to the process to cool the ...
Mark Edward Fischbach (/ ˈ f ɪ ʃ ˌ b ɑː k / FISH-bahk; born June 28, 1989), known online as Markiplier, is an American YouTuber, comedian, actor, filmmaker, and influencer. [2] One of the most popular YouTubers on the platform, he is known for his " Let's Play " videos of indie horror games .