Sat07042015

News

Effective today, library cards free again in Los Altos

Both Los Altos libraries should see a spike in use soon. After the elimination of an $80 annual card fee that had been in place since 2011, nonresidents will receive free library cards at local libraries, effective today.

Residents of Mountain View ...

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Schools

Almond fifth-graders set sail at Shoreline

Almond fifth-graders set sail at Shoreline


Courtesy of Corinne Finegan Machatzke
Fifth- graders at Almond School launched the boats they designed and built at Shoreline Lake last month.

Almond School fifth-graders boarded their handmade boats at Shoreline Lake in Mountain View last month to...

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Community

Taking it back to 'The Streets': Local filmmaker aims to revive 1970s series 'Streets of San Francisco'

Taking it back to 'The Streets': Local filmmaker aims to revive 1970s series 'Streets of San Francisco'


Courtesy of Charles Alley
Charles Alley’s filmmaking company may be based in Mountain View, but he knows all about “The Streets of San Francisco.” He’s rebooting the 1970s TV classic.

When people look for the next hit TV show, they often assume ...

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Sports

Enjoying the moment


Courtesy of Dick D’OlivA
Former Golden State Warriors trainer Dick D’Oliva, from left, wife Vi, former Warriors assistant coach Joe Roberts and wife Celia ride on a cable car in the victory parade.

Dick D’Oliva almost couldn’...

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Comment

The death knell of suburbia: A Piece of My Mind

The orchards are gone. The single-story ranch house is seen as a waste of valuable land and air space. An eight-lane freeway thunders past the bridle paths in Los Altos Hills. But nothing has signaled the death of suburbia more strongly than the ann...

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Special Sections

While competent & safe, MKC still can't catch European competitors

While competent & safe, MKC still can't catch European competitors


courtesy of Ford
The 2015 Lincoln MKC doesn’t overwhelm as far as overall performance goes, but it does offer comfortable ride quality.

Of all the auto companies with headquarters in the United States, only Ford managed to weather the great re...

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Business

Company installs EV charging stations at LAHS

Company installs EV charging stations at LAHS


Courtesy of Green Charge
Officials from Los Altos, Los Altos Hills and the Mountain View Los Altos Union High School District celebrate the installation of electric-vehicle charging stations at Los Altos High last week.

The Mountain View Los Alto...

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Books

People

HILDA CLAIRE FENTON

Hilda Claire Fenton, beloved wife and mom to 9, grandmother to 30 and great grandmother to 22, passed away June 20 following a long illness. She was 90.

Hilda was born Sept. 28, 1924, to Lois and Gus Farley then of Logan, W. Va. While she was still ...

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Travel

Venetian spa offers ways to de-stress

Venetian spa offers ways to de-stress


Courtesy of The VEnetian
The HydroSpa in the Canyon Ranch SpaClub at The Venetian in Las Vegas offers a muscle-relaxing bath and radiant lounge chairs.

Vegas cab drivers usually ask if you won or lost as soon as you get in their vehicles. They assum...

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Stepping Out

Cast carries 'Arcadia'

Cast carries 'Arcadia'


Courtesy of Pear Avenue Theatre
“Arcadia” stars Monica Ammerman and Robert Sean Campbell.

The intimate setting of Mountain View’s Pear Avenue Theatre proves the perfect place to stage “Arcadia,” allowing audience members to feel as though they a...

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Spiritual Life

Magazine

Living it up Older adults aim to age in place

Living it up Older adults aim to age in place


Megan V. Winslow/Town Crier
Local enthusiasts flock to the Los Altos Senior Center to play bocce ball. The center hosts informal games four days a week and occasional tournaments.

As baby boomers in Los Altos, Los Altos Hills and Mountain View nose...

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Inside Mountain View

Carrying the torch

Carrying the torch


Members of the Mountain View Police Department carry the Special Olympics torch as they run along El Camino Real between Sunnyvale and Palo Alto June 18. Members of the department participate in the relay annually to show their support for Spec...

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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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