OHS Observer

COVID-19 Outbreak – When Will It End and How to End It

Figure 1 COVID-19 case growth curve in logarithmic scale

Andrew Chiang, Science & Tech Editor

April 27, 2020

As of April 3, 2020, there have been 275,586 confirmed COVID-19 cases in the United States, a sharp rise from 101,657 just a week ago. According to Johns Hopkins University’s Coronavirus Resources Center, the confirmed cases have reached 1,095,917 globally, from 593,291 a week ago. Most of the sta...

COVID-19 and the Danger of Exponential Growth

The normally congested freeways of the Bay Area.

Andrew Chiang, Science & Tech Editor

March 21, 2020

On March 6, 2020, Stanford University announced that all classes would be conducted online for the remainder of winter quarter when one faculty member was among 20 confirmed cases of COVID-19 virus in Santa Clara County. On March 17, 2020, Santa Clara County, with 175 confirmed COVID-19 cases, ordered...

How to Make Your Own 3D Pixel

How to Make Your Own 3D Pixel

Andrew Chiang, Science & Tech Editor

May 6, 2019

Learn how to make a 3D printed Pixel.

Last Light: Space Telescope Kepler Closes Its Eyes

Last Light: Space Telescope Kepler Closes Its Eyes

Jonathan Herbst, Staff Writer

December 12, 2018

On October 30, NASA announced that space telescope Kepler has run out of fuel and will no longer be in service. In nine years, Kepler surveyed many thousands of stars and discovered the majority of exoplanets that we now know about today. Launched in 2009, the telescope was NASA’s first attempt at pl...

Reach for the (Double) Stars

Ms Tock, an instructor at the OHS, pursues astronomy beyond her classes as she sits among crescents of the sun during the August 2017 eclipse.

Rohit Narayanan, Staff Writer

October 6, 2017

OHS students have a long history of looking to the stars. Recently, groups of students have been doing research on double stars in a series of independent projects leading up to the newly offered Astronomy Research Seminar course starting this Spring at the OHS. Kalee Tock, an instructor at OHS, has been l...

On the Periodic Law with Dr. Eric Scerri

Dr. Eric Scerri is a chemist and historian of science and a leading expert in the history of periodic table. He teaches at the University of California, Los Angeles. He has published a number of books and articles on this subject matter; his latest book “A Tale of Seven Elements” (Oxford University Press, 2013) traces early 20th century history of discovery of seven chemical elements in conjunction with discovery of how to order the elements using atomic numbers.

Louis Gosart, Staff Writer

March 11, 2016

Louis: Dr. Scerri, it’s a privilege to speak with you; thank you so much! You are an expert in the periodic table and in the history of its discovery. Why did you choose this topic in the history of science? What intrigued you about it? Dr. Scerri: One of the many things that I’ve always liked is ...

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