All for 'knot': Speaker explores da Vinci's curious signatures

Famed Renaissance man Leonardo da Vinci used intertwining knots as his signature on his works of art. In the wake of the 500th anniversary of the artist’s death, writer/filmmaker Caroline Cocciardi unraveled the mystery of the knots in an Aug. 22 Rotary Club of Los Altos presentation.

While da Vinci’s artistic legacy rests on a limited output of a dozen or so paintings, he was a prolific author, writing 23 codices that filled 7,000 pages about the myriad subjects he had studied. His interests ranged from engineering to science and mathematics, all consistently revealing his fascination with mathematical knots.

Shoreline Lake hosts all-inclusive Paddle4Good events

The Shoreline Lake Boathouse & American Bistro in Mountain View has scheduled two PaddleTogether events, aimed at bringing the special needs, volunteer and paddling communities together for a half-day, with the goal of making a difference for people who might typically not get to enjoy water sports.

Hosted by the Santa Cruz-based nonprofit Paddle4Good, the events will provide inclusive on-the-water activities for people of all abilities, including stand-up paddling, kayaking and other paddle sports, as well as lawn games and an awards ceremony.

Community Briefs – Week of Sept. 4

CSA celebrates ‘Hometown Heroes’

Community Services Agency’s “Hometown Heroes” breakfast is scheduled 7:15 a.m. Sept. 12 at the Computer History Museum, 1401 N. Shoreline Blvd., Mountain View.

“Hometown Heroes” is an annual fundraiser honoring individuals, businesses and organizations for their contributions to CSA and the community. CSA provides a safety net for thousands of elderly, low-income and homeless individuals in Mountain View, Los Altos and Los Altos Hills each year.

Save the Date – Week of Sept. 4

Sept. 14

Santa Clara Corvettes’ annual Corvette Spectacular car show, 8 a.m. to 3 p.m. on Main Street in downtown Los Altos. Information:

Sept. 27

Los Altos Village Association’s Beer Stroll, 6-9 p.m. on Main and State streets in downtown Los Altos. Tickets are $40. Information:

World Affairs opens series with 'Russia Resurrected'

The Peninsula Chapter of World Affairs is scheduled to kick off its annual speaker series with the program “Russia Resurrected: Its Power and Purpose in a New Global Order” Sept. 22.

Kathryn Stoner, deputy director of the Freeman Spogli Institute for International Studies at Stanford University, will discuss Russia’s re-emergence on the world stage and its role in it.

Schola to perform winning entry in student poetry contest

Mountain View-based Schola Cantorum Silicon Valley has launched a poetry contest for high school students, with the winning poem set to new music and performed by the 75-voice ensemble.

Young poets are asked to submit work under the theme “California’s Natural Beauty.” All poems must have a title and be 20 lines or fewer. Any rhyme style is accepted except free verse.

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