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News

Safeway escalator elicits safety concerns from customers

Safeway escalator elicits safety concerns from customers


MEGAN V. WINSLOW/Town Crier
The escalator at the Safeway on First Street poses a safety hazard, some customers allege.

A Safeway shopper who accidentally placed his cart last month on the customer escalator instead of the shopping cart track next to...

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Schools

Los Altos High hosts 30th Writers Week

Los Altos High hosts 30th Writers Week


Above Photo by Traci Newell/Town Crier;
Author Jack Andraka shares his story with fellow high school seniors during Los Altos High School’s Writers Week last week.

Los Altos High School students learned firsthand last week how professionals ...

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Community

Service dogs bring smiles, comfort to veterans at Foothill College center

Service dogs bring smiles, comfort to veterans at Foothill College center


Photos by Megan V. Winslow/Town Crier
Charles Viajar, student and U.S. Navy veteran, brings his four-legged companion Bruno to the Veterans Resource Center at Foothill College. Bruno, a 2-year-old Imperial Shih Tzu, is trained to assist Viajar with...

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Sports

Improbable run to NorCal semis saves season for St. Francis girls

Improbable run to NorCal semis saves season for St. Francis girls


Megan V. Winslow/Town Crier
St. Francis High’s Daisha Abdelkader goes on a fast break in the CCS Division II final. The senior point guard scored eight points in the Lancers’ NorCal semifinal loss to Dublin last week.

Senior Daisha Abdel...

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Comment

We'll buy it; what is it? Editorial

Would you buy a device on the condition that you are kept in the dark about how it works? Would you feel good about purchasing such a device when the contract even calls for nondisclosure of the nondisclosure form that keeps the device top secret?

T...

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Special Sections

MV resident, engineer applies brainpower to screenplays

MV resident, engineer applies brainpower to screenplays


Alicia Castro/Town Crier
High-tech vice president by day, screenwriter by night, Mountain View resident Robert Frostholm pursues his passion for storytelling.

Robert Frostholm has always been a storyteller.

Until a couple of years ago, however, hi...

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Business

Vintage Bath changes hands as new owners add twist to classic offerings

Vintage Bath changes hands as new owners add twist to classic offerings


Alicia Castro/Town Crier
Vintage Bath, the downtown Los Altos showroom, is under new leadership. Taking over are, from left, co-owners Jerry Rudick and Deena Castello and marketing and visual director Alissa McDonald.

Deena Castello – the new cu...

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Books

'Pope Joan' Book weaves tale around legend of female pontiff

'Pope Joan' Book weaves tale around legend of female pontiff


The idea that there may have a female pope at one time in history has generated much speculation throughout the centuries. “Pope Joan” (Crown, 1996) by Donna Woolfolk Cross, does not answer the question; rather, the author has created a detai...

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People

BEVERLEY JEANE (DORSEY) MCCHESNEY

BEVERLEY JEANE (DORSEY) MCCHESNEY

1944-2014

Beverley McChesney passed away at El Camino Hospital in Mountain View, CA on Sunday, Nov. 16. She had been fighting cancer for about 23 years until it went into her lungs.

She is survived by her husband David, of Cloverdale; her sisters...

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Travel

Eat, hike, soak: Cavallo Point Lodge offers Marin experience

Eat, hike, soak: Cavallo Point Lodge offers Marin experience


Eren Göknar/ Town Crier
Cavallo Point Lodge comprises former U.S. Army buildings, like the Mission Blue Chapel, repurposed for guests seeking a luxurious getaway.

It used to be a place where batteries of soldiers lived, with officers’ quarter...

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Stepping Out

Cal Pops performs Sunday at Foothill

Cal Pops performs Sunday at Foothill


Courtesy of Cal Pops
The Cal Pops trumpet section includes Dean Boysen, from left, Bob Runnels and Noel Weidkamp.

The California Pops Orchestra is scheduled to perform “Swing Time!” – a musical tour of Big Band hits from the 1930...

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Spiritual Life

Oshman JCC hosts panel on Judaism and Science

The Oshman Family Jewish Community Center has scheduled its inaugural Judaism and Science Symposium, “An Exploration of the Convergence of Jewish & Scientific Thought,” 5 p.m. April 12 at the JCC’s Schultz Cultural Arts Hall, 39...

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Magazine

Food for thought: Hidden Villa programs offer teens training in sustainability on the farm

Food for thought: Hidden Villa programs offer teens training in sustainability on the farm


/Town Crier It’s not all cute and cuddly for teens participating in the eight-week Animal Husbandry Apprenticeship program at Hidden Villa in Los Altos Hills. Mia Mosing of Palo Alto, left, and Sophia Jackson of Los Altos clean the pigpens – one of...

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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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