FEEDBACK Letter to the Editor
Dear Editor, Congratulations! Your (summer) 2011 issue was the most attractive and informative bulletin or newsletter that I have ever seen. I was especially impressed with the layout and balance of text and visuals. More specifically I liked: 1) the cover illustration with content highlights 2) graduation picture using front flyleaf and first page 3) attractive layout and blending of pages two and three 4) excellent selection of action pictures and use of picture in sidebar on page 15 5) attractive colored title header and picture/text placement for Student Research section 6) interesting and informative Strategic Vision milestone Section 7) colorful two-page collage layout for Alumni Weekend 2011 8) attractive layout design for Alumni Profile (page 35) 9) good use of space on rear cover
John Bowen P99
BULLETIN
Summer 2011
20
10 7
HMC Green Engineering Award
New Study Abroad Program in China
16
Student Research Projects
28 Alumni Weekend Review
Mind Muddler Answers
1- Thorium. The thorium fuel cycle claims several potential advantages over a uranium fuel cycle, including thorium’s greater abundance, superior physi- cal and nuclear properties, enhanced proliferation resistance, and reduced plutonium and actinide production. 2- J 3- Titanium. A metal chosen for its beauty, longevity and corrosion resis- tance. The SR-71 “Blackbird” surveillance plane that holds many speed records is also made of titanium. 4- Astatine. It is estimated that there is only 28g of it in the earth’s crust. 5- Lewis and Clark carried mercury laxatives with them on their famous trek, and today archaeologists test the soil for mercury contamination to help iden- tify their campsites. 6- Friedrich Wöhler synthesized urea from ammonium cyanate in 1828. 7- Only three elements are ferromagnetic at room temperature—iron, nickel, and cobalt. No current American coins are magnetic—even the nickel coin contains only 25% nickel, the rest is copper. In contrast, Canadian dimes, quarters, and one and two dollar coins contain mostly nickel and are attracted to a magnet. 8- Helium 9- The tip was the largest single piece of aluminum cast at the time, when aluminum commanded a price comparable to that of silver. Two years later, the Hall–Héroult process made aluminum easier to produce and the price of aluminum plummeted, making the once-valuable tip nearly worthless, though it still provides a lustrous, non-rusting tip that served as the original lightning rod. Bonus Question- September and October. The destruction of ozone in the stratosphere by chlorofluorocarbons (CFCs) is a photo-initiated, catalytic pro- cess with rates enhanced by certain ice surfaces. In southern hemisphere winter, a vortex of winds isolates the polar stratosphere and reduces the tem- perature below -78° C, allowing ice clouds of water, nitric acid and sulfuric acid mixtures to form. Heterogeneous reactions on these ice crystals quickly form chlorine gas, regenerating the precursor to the catalytic ozone destroyer much faster than gas phase reactions. By the end of winter, chlorine gas concentrations have risen to a substantial level, yet it remains inactive with- out sunlight. Once southern hemisphere spring arrives, photolysis releases chlorine radicals that rapidly destroy ozone in the isolated vortex. The overall ozone depletion can reach 50 percent across the total column of air and 90 percent at certain altitudes. Late spring brings a breakdown of the vortex, loss of the ice clouds and less ozone depletion.
Harvey Mudd College Legacy Society
Remember Harvey Mudd College in your will, estate plan or beneficiary arrangement and join with others in the HMC Legacy Society (formerly called OAKS). For more information, contact Alanna Boyd, 909.607.9139.
HMC encourages you to seek the advice of your tax advisor, attorney and/or financial planner before considering any estate gift. Your personal circumstances will determine the best way for you to support Harvey Mudd College.
PLANNED GIVING Creating extraordinary opportunities Preserving HMC’s future Establishing your legacy
Visit us online at
www.hmc.edu/giving/waystogive/plannedgiving
36 Har vey Mudd College FALL/WINTER 2011
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