Show HN: Open Optical Designer, free and open source lens design software https://ift.tt/HployZv

Show HN: Open Optical Designer, free and open source lens design software https://ift.tt/wPV1Fkz February 26, 2023 at 03:08AM

Komentar

Posting Komentar

Postingan populer dari blog ini

Twin Peaks for All: Survey Results

Gambar
Twin Peaks for All: Survey Results By Benjamin Barnett Last month, the SFMTA and San Francisco Recreation and Parks Department released a survey seeking public feedback regarding  five proposed roadway options for Twin Peaks Boulevard . San Franciscans responded to the survey, ranked support for each alternative and shared opinions about how the different options met their needs.  The Twin Peaks for All survey was open for almost three weeks and received more than 1,700 responses. This number reflects the high level of interest for this San Francisco park and its future access.   Survey Background Conditions on Twin Peaks Boulevard between Portola Drive and Barnett Avenue before COVID street closures.   The Twin Peaks Boulevard gates were closed early in the pandemic to reduce crowding at the lookout point parking lot. The gates were closed on the north, at Burnett Avenue, and the south, at Portola Drive. Since then, Twin Peaks Park use by hikers, joggers and peopl...
Baca selengkapnya

Welcoming Back the M Ocean View and 31 Balboa

Gambar
Welcoming Back the M Ocean View and 31 Balboa By Kate McCarthy The M Ocean View will return to rail service and resume its full pre-pandemic route in August As August 14 approaches, the target date for the next big Muni service change, the SFMTA is pleased to announce Muni’s M Ocean View will be returning to rail service and the 31 Balboa will be returning to service with a temporarily adjusted route. We thank Supervisors Melgar, Safai, Preston and Haney for their advocacy for the return of this service on behalf of their constituents. The addition of the 31 Balboa and return of the M Ocean View to rail service was made possible following improved clarity on our staffing levels this fall. We had previously forecast that due to an abnormally low level of retirements during the pandemic, we would see a spike at the start of the fiscal year (July 1) when many staff tend to announce their retirements. However, we are now confident there will be adequate staffing to deliver this addit...
Baca selengkapnya

Innovation to Icon: 150 Years of Cable Cars Exhibit Opens

Gambar
Innovation to Icon: 150 Years of Cable Cars Exhibit Opens By Jeremy Menzies We are happy to announce the opening of a special history exhibit at the San Francisco Public Library, as part of the ongoing celebrations for the 150th anniversary of the cable cars . The “Innovation to Icon: 150 Years of Cable Cars” exhibit runs from July 1 to September 30 on the 6th floor of the public library’s main branch library at 100 Larkin Street. 150 years strong, San Francisco’s cable car system is a symbol of the city.  "Innovation to Icon: 150 Years of Cable Cars" takes a visual journey through time that brings the incredible history of San Francisco’s beloved cable cars to life. Combining photographs, original documents, and unique memorabilia from the San Francisco History Center and the SFMTA Photo Archive, this exhibit showcases the spirit, ingenuity and timeless allure of a city icon.   Cable cars once dominated the transit scene in San Francisco. This 1890s shot was taken at M...
Baca selengkapnya