Palo Alto Colloquia

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Next Colloquia

November 6, 2014               

THE EVOLUTION OF THE REFLECTOR TELESCOPE

Dr. Kenneth Lum

The reflecting astronomical telescope making use of mirrors was invented by Sir Isaac Newton in 1668 as a solution to the problem of chromatic aberration in refracting telescopes that use lenses. Initial versions of reflectors suffered from unreliable mirror making technologies based on metal mirrors and lagged behind the technology of refractors after the invention of the achromatic lens in the mid 18th Century. This changed dramatically in the early 20th Century with the coming of the ability to apply reflective coatings to glass mirrors coupled with better ways to test the accuracy of their surfaces as well as improved mechanical mountings. I will discuss at length about the accomplishments of the people who were most responsible for this change to the dominant telescope technologies developing in the early 20th Century and onwards into the foreseeable future.

Dr. Kenneth Lum is recently retired from the practice of Emergency Medicine. Since high school, he has also been an enthusiastic amateur astronomer, having built two telescopes at the Adler Planetarium in Chicago and a large Newtonian reflector when he reentered amateur astronomy in 1986. He pursued an interest in astronomical photography during the 1990s and continues to study the history of astronomy and astronomical instrumentation.

Dr. Lum is currently interested in ways to enhance the performance of small telescopes with the use of a photomultiplier eyepiece and astronomical video cameras. Since 1994, he has been traveling with the Antique Telescope Society almost annually visiting different historical astronomical observatories.          

More Colloquia

Nov 13  EDUCATE TO INNOVATE: CREATING INNOVATIVE THINKERS THROUGH SCIENTIFIC EXPLORATION – Ms. Jennifer Gerlach, Valley Christian Schools

Nov 20  PRIVACY AND BIG DATA – Mr. Greg Edwards

Nov 27  NO COLLOQUIUM, Thanksgiving

Future Colloquia

Note, the following are TENTATIVE ONLY.  When the time is closer, I will send out announcements

And information will be posted on the colloquium website(s).

2014

Nov.    6 – Mr. Ken Lum:  The Evolution of the Reflector Telescope

Nov.   13 – Ms. Jennifer Gerlach, Valley Christian Schools:  EDUCATE TO INNOVATE:  CREATING INNOVATIVE THINKERS THROUGH SCIENTIFIC EXPLORATION 

Nov.   20 – Mr. Greg Edwards.  PRIVACY AND BIG DATA

Nov.   27 – NO COLLOQUIUM, Thanksgiving

Dec.    4 –  Dr. Gary Bush, LM/STAR Labs:  The Latest on High Speed Rail (Again!!)

Dec.  11 –  NO COLLOQUIUM

Dec.  18 –  NO COLLOQUIUM

Dec.  25 –  NO COLLOQUIUM, Christmas

2015

Jan.    1 – NO COLLOQUIUM, New Years

Jan.    8 – TBD

Jan.   15 – Dr. Michael D. Lepech, Department of Civil and Environmental Engineering, Stanford University:  Synthetic Biology

Jan.   22 – Dr. Marco Pavone, Stanford University, Director of the Autonomous Systems Laboratory:  Unconventional Robotics

Jan.   29 – Dr. James Lienkaemper, USGS:  Seismic Hazard: Creep on Bay Area Faults

Feb.     5 – Mr. Tom Stephany. Solar Eclipse Chasing and Astronomical Tourism

Feb.   12 –  Dr. Brad Aagaard, US Geological Survey.  Assessing Ground Shaking for the 2014 M6.0 South Napa Earthquake

Feb.   19 –  TBD

Feb.   26 –  Dr. Blake Simmons, VP at the Joint BioEnergy Institute:  Bioenergy Technology


If you have any comments or suggestions for speakers, please call Dr. Gary Bush at (650) 424-2267 or Dr. Stuart McHugh at (650) 424-2561.

To sign up for our mailing list, contact stuart.mchugh@lmco.com

Colloquia presentations via Microsoft Lync

All Colloquium talks begin at 4:15 pm

Audio: AT&T Conference call:
408-742-3800, Pin 729281#

For further information contact:
Dr. Gary Bush
650-424-2267
gary.bush@lmco.com
or
Dr. Stuart McHugh
650-424-2561
stuart.mchugh@lmco.com