Wed08202014

News

Burglary bump in LAH alarms residents and Sheriff's Office

Los Altos Hills has recorded fewer burglaries than the national and state averages over the past decade, but this year the number of breaking-and-entering crimes has spiked.

Since July 1, the Santa Clara County Sheriff’s Office has recorded 14 resid...

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Schools

Community support pays dividends

Community support pays dividends


As a recent cover story in The New York Times Magazine revealed, getting low-income students into college is not enough to close the achievement/income gap. The percentage of low-income students entering college who actually earn a degree lags far ...

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Community

War veteran to visit D.C. memorial on Honor Flight

War veteran to visit D.C. memorial on Honor Flight


Ellie Van Houtte/Town Crier
Los Altos resident and World War II vet Earl Pampeyan is preparing for an Honor Flight trip to Washington, D.C., next month.

Los Altos resident Earl Pampeyan is scheduled to fly to Washington, D.C., next month to vis...

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Sports

Making a splash

Making a splash


Courtesy of Clarke Weatherspoon
Stanford Water Polo Club’s under-14 boys team earned the bronze medal at the Junior Olympics. Front row, from left: Corey Tanis, Larsen Weigle, Nathan Puentes, Walker Seymour, Alan Viollier and Jayden Kunwar. B...

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Comment

Whom can you trust?: Haugh About That?

Waving my pink poodle skirt with all the fervor of a matador preparing to tease a raging bull, I blinked my 20-year-old eyes and gave a come-hither look to indicate, “I’m ready!” Little did I know that the blind trust I had in this ...

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Special Sections

Getting right by eating right: PAMF doctor's book addresses South Asian health risks

Getting right by eating right: PAMF doctor's book addresses South Asian health risks


Ellie Van Houtte/Town Crier
Dr. Ronesh Sinha, a physician at Palo Alto Medical Foundation, promotes healthful living among the South Asian population. His new book, “The South Asian Health Solution,” includes nutritious recipes.

When you think o...

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Business

From Google to First Street: Massage therapist sets up studio in downtown Los Altos

From Google to First Street: Massage therapist sets up studio in downtown Los Altos


Ellie Van Houtte/Town Crier
Upuia Ahkiong is slated to open Kua Body Studios next month at 106 First St. Ahkiong is sharing space with Evolve Classical Pilates.

A massage therapist with ties to Google Inc. is slated to open a new – and shared...

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Books

"Jack London" chronicles author's adventurous life


Much has been written about American author Jack London, primarily known for his early-20th-century Western adventure novels, including the classics “White Fang” and “The Call of the Wild.”

In Earle Labor’s biography of the literary icon, “Jac...

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People

TIMOTHY WARREN WATSON (TIM)

TIMOTHY WARREN WATSON (TIM)

Born June 2, 1935, died peacefully on August 11, at home in Mountain View, surrounded by his family. He died of complications of Parkinson’s Disease after a courageous 15-year battle.

Tim was the beloved husband of 55 years to his college sweethea...

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Travel

Bergama bound: A visit to newest World Heritage site

Bergama bound: A visit to newest World Heritage site


Photo Eren GÖknar/ Special to the Town Crier
The amphitheater in Turkey’s ancient city of Pergamon, now known as Bergama, overlooks the Bakirçay River valley, left. The city’s ruins also include the Temple of Trajan.

It was 90 F during t...

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Stepping Out

TheatreWorks offers 'Spoonful' of drama beginning this week

TheatreWorks offers 'Spoonful' of drama beginning this week


Kevin Berne/Special to the Town Crier
Three strangers – “Chutes & Ladders” (Anthony J. Haney, left), Odessa (Zilah Mendoza, center) and “Orangutan” (Anna Ishida, right) – come together in an online support group in TheatreWorks’ regional premie...

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Spiritual Life

Spiritual Briefs

Meditation group meets at Foothills Congregational

A Weekly Meditation Practice group meets 7-8:15 a.m. Tuesdays at Foothills Congregational Church, 461 Orange Ave., Los Altos.

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Magazine

Festival features fun for everyone

Festival features fun for everyone


TOWN CRIER FILE PHOTO
The Los Altos Arts & Wine Festival boasts more than 375 craft and arts booths.

This weekend’s 35th annual Los Altos Arts & Wine Festival promises to be jam-packed with fun activities for just about everyone. The eve...

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Speed limits: A lesson in physics: Other Voices

Note: The Los Altos City Council voted Aug. 20 to retain the city’s current speed limits. The following piece was written before that action, but the subject matter remains relevant – thus its inclusion here.

It makes sense for the city of Los Altos to periodically reconsider speed limits on local streets. I applaud the use of the extensive data generated by the recent traffic survey. However, using data to make traffic safety decisions without considering the laws of physics can be dangerous.

The distance a car travels from the moment the driver decides to brake to the point of stopping is not determined by a simple ratio involving the speed. The car travels some distance while the driver is reacting to the obstacle in the road, before the brakes are applied. The car travels an additional distance while braking that depends on the square of the initial velocity. The combination of these two distances is the stopping distance.

Using typical numbers, a car traveling 30 mph will have a stopping distance of 109 feet. If the speed of the car is increased by 17 percent to 35 mph, the stopping distance increases to 136 feet, a 25 percent increase. The proposed 40 percent increase in the speed limit on Grant Road between Homestead Road and Grant results in a 60 percent increase in stopping distance. This nonlinear relationship between speed and stopping distance is not intuitive for drivers. It results in a dangerous hazard for pedestrians, cyclists, wayward animals and other drivers on residential streets.

Physics also sheds light on the relationship between vehicle speed and pedestrian deaths. The energy of the collision depends on the square of the speed. This explains why 5 percent of pedestrians struck by a car going 20 mph are killed, while 45 percent struck by a car going 30 mph are killed. Increasing speed increases the likelihood of collisions with pedestrians and the chances of a fatality from the collision.

I understand the reasoning behind using the average speed of traffic to set speed limits. It prevents the creation of speed traps that can punish safe drivers. However, the residential character of the streets being considered for an increase should trump the convenience of the drivers using them.

If the current speed limits had been enforced and traffic-calming measures implemented prior to the survey, the average speeds would have been lower. We should not allow scofflaws that value a few seconds of their own time more than the safety of children crossing the street to set the speed limit.

The city of Los Altos has a problem regarding pedestrian safety. According to the California Office of Traffic Safety, we ranked 13th out of 93 similar cities for pedestrian injury accidents, and sixth for cyclists. This is unacceptable for a community that characterizes itself as a “village.”

I urge members of the Los Altos City Council to use their discretion to keep the current posted speed limits, as they wisely did in 2007. They should instead use the traffic survey data to develop measures to slow drivers down. This would be a decision based on the data and sound physics.

Daniel Burns is a Los Altos resident who teaches Advanced Placement Physics at Los Gatos High School.

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