MIT's class ring is crafted each year by a student committee to present a unique yet traditional expression of MIT. It has three main segments: the bezel, containing a beaver (MIT's mascot, from which the Rat in "Brass Rat" is derived), the MIT seal, and the class year. The inner and side surfaces are also decorated. It is said that the Brass Rat is the second most recognizable ring after the Superbowl ring. The ring is designed and presented in the sophomore year. Each year's design includes numerous hidden jokes and references, such as the motto IHTFP shown here. Image File history File linksMetadata Download high resolution version (1128x752, 748 KB) Summary Original MIT class ring bezel. ... Image File history File linksMetadata Download high resolution version (1128x752, 748 KB) Summary Original MIT class ring bezel. ... The Massachusetts Institute of Technology, or MIT, is a research and educational institution located in the city of Cambridge, Massachusetts, USA. MIT is a world leader in science and technology, as well as in many other fields, including management, economics, linguistics, political science, and philosophy. ... Species C. canadensis C. fiber Beavers are semi-aquatic rodents native to North America and Europe. ... Mascots at the Mascot Olympics in Orlando, Florida. ... The Superbowl ring is an award in American Football given to players and coaches of the team that wins the annual Super Bowl (Championship game of the National Football League. ... Alternate uses: Student (disambiguation) Etymologically derived through Middle English from the Latin second-type conjugation verb stŭdērĕ, which means to study, a student is one who studies. ... MIT redirects here. ...
"Class of '08" Brass Rat
Image File history File linksMetadata Download high resolution version (2027x1594, 2366 KB) Summary MIT class of 2008 ring bezel. ... Image File history File linksMetadata Download high resolution version (2027x1594, 2366 KB) Summary MIT class of 2008 ring bezel. ...
The brass flakes in EA 5763 (composed of 70% copper (Cu) and 30% zinc (Zn)) generally have a mass median aerodynamic diameter (MMAD) of 2.1 to 2.3 micrometers (µm).
Rats were exposed to EA 5763 brass flakes at concentrations of 0.32, 1.0, 3.2, or 10 mg/m3 for 1.5 hr per day, 4 days per week for 13 weeks (Snipes et al.
Exposure of rats to brass flakes at 100 mg/m3 for up to 13 weeks was followed by histopathological examination (Thomson 1982b) of all major organs (heart, lung, liver, spleen, kidney, brain, eye, trachea, nasal turbinate, adrenal, stomach, urinary bladder, pancreas, thyroid, esophagus, duodenum, colon, lymph node, thymus, testes, epididymus, ovary, uterus, bone marrow, and skin).
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