James Chadwick and the Alsos Digital Library for Nuclear Issues Today in History – February 27, 1932 – Chadwick publishes his discovery of the neutron. Until 1932, the atom was known to consist of a positively charged nucleus surrounded by enough negatively charged electrons to make the atom electrically neutral. Most of the atom was [...]
Entries Tagged as 'Chemistry'
February 27th, 2014 · Add a Comment
January 9th, 2014 · Add a Comment
Today in History – January 09, 1839 - Louis Daguerre announces his photographic process. The first permanent photograph was made in 1826 by Joseph Niepce. Together with Louis Daguerre they further refined the process. The process involved silver-coated copper plates mixed with iodine to create a layer of silver iodine. After being exposed to light for several [...]
November 25th, 2013 · Add a Comment
Today in History – November 25, 1867 - Alfred Nobel receives the patent for dynamite. While in Paris, Nobel came to work with Ascanio Sobrero, the inventor of nitroglycerine. Though it was ten times stronger that black powder, it was highly unstable. Nobel was intrigued with nitroglycerine’s potential as a construction tool. But he knew he [...]
Engineering Education “Today in History” Blog: Ernest Lawrence awarded Nobel Prize in physics for the cyclotron
November 9th, 2013 · Add a Comment
Today in History – November 9, 1939 – The Nobel Prize in Physics goes to Ernest Lawrence “for the invention and development of the cyclotron and for results obtained with it, especially with regard to artificial radioactive elements”. In 1929 Ernest Lawrence invented the cyclotron, a particle accelerator designed to bombard atoms of various elements, disintegrating the [...]
Engineering Education “Today in History” Blog: TUES NSF Projects – Transforming Undergraduate Education in STEM
May 7th, 2012 · Add a Comment
Formerly called “Course, Curriculum and Laboratory Improvement CCLI”, the NSF program “Transforming Undergraduate Education in Science, Technology, Engineering, and Mathematics (TUES)” emphasizes projects that have the potential to transform undergraduate STEM education. For more information, see a list of the Engineering Pathway’s collection of engineering-related TUES resources.
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