Abstract: We address the problem of predicting whether a driver facing the yellow-light-dilemma will cross the intersection with the red light. Based on driving simulator data, we propose a stochastic hybrid system model for driver behavior. Using this model combined with Gaussian process estimation and Monte Carlo simulations, we obtain an upper bound for the probability of crossing with the red light. This upper bound has a prescribed confidence level and can be calculated quickly on-line in a recursive fashion as more data become available. Calculating also a lower bound we can show that the upper bound is on average less than 3% higher than the true probability. Moreover, tests on driving simulator data show that 99% of the actual red light violations, are predicted to cross on red with probability greater than 0.95 while less than 5% of the compliant trajectories are predicted to have an equally high probability of crossing. Determining the probability of crossing with the red light will be important for the development of warning systems that prevent red light violations.
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Overdoor, France, ca. 1825; | Smithsonian Design Museum
Education communities have significant food safety responsibilities. Risk gets pushed around global food service counterparties; a drama in itself and one that requires coverage in a separate blog post.*
Since 2013 we have been following the development of food safety standards; among them ANSI/NSF 2: Food Equipment one of a constellation of NSF food safety titles whose provisions cover bakery, cafeteria, kitchen, and pantry units and other food handling and processing equipment such as tables and components, counters, hoods, shelves, and sinks. The purpose of this Standard is to establish minimum food protection and sanitation requirements for the materials, design, fabrication, construction, and performance of food handling and processing equipment.
It is a relatively stable standard; developed to support conformance revenue for products. A new landing page seems to have emerged in recent months:
Manufacturers are required to meet the NEC and CEC electrical codes to have their food equipment sold and used in the United States and Canada. Watch our video for more details. pic.twitter.com/d0vUf4zUl2
Not trivial agendas with concepts that cut across several disciplines involving product manufacture, installation, operation and maintenance. We find a very strong influence of organizations such as Aramark and Sodexo. More on that in a separate post.
This committee – along with several other joint committees –meets frequently online. If you wish to participate, and receive access to documents that explain the scope and scale of NSF food safety standards, please contact Allan Rose, (734) 827-3817, arose@nsf.org. NSF International welcomes guests/observers to nearly all of its standards-setting technical committees. We expect another online meeting hosted by this committee any day now.
Keep in mind that all NSF International titles are on the standing agenda of our Nourriture (Food) colloquia; open to everyone. See our CALENDAR for the next meeting.
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In 2024, a record-breaking 936 Thanksgiving Turkey Trots were hosted across all 50 U.S. states, attracting over 1.1 million participants and raising more than $3.6 million for charities. This figure comes from comprehensive data compiled by RunSignup, a leading race management platform that tracked events nationwide, showing a 21% increase from 2023. Florida led with 56 events, followed by other populous states like California and Texas.
For 2025 (as of late November), early indicators suggest a similar or slightly higher total, with at least 70 new races identified and low event churn (under 2%). Registration trends show events averaging 39% of 2024 totals already, pointing to continued growth in this beloved holiday tradition. These races—mostly 5K fun runs or walks—emphasize family participation, costumes, and community support, with over 90% held on Thanksgiving Day itself
As of January 2022, there were a few municipalities in the United States that allowed non-citizens to vote in local elections, but no entire states. These municipalities included:
San Francisco, California: Non-citizens are allowed to vote in school board elections.
Chicago, Illinois: Non-citizens are allowed to vote in school board elections.
Takoma Park, Maryland: Non-citizens are allowed to vote in local elections.
It’s worth noting that these policies may change over time as local governments make decisions regarding voting rights. For the most up-to-date information, it’s best to consult the specific laws and regulations of each municipality or state.
“Election Day, 1944” | Norman Rockwell for the Saturday Evening Post
School bond elections — either at county or district level — are processes through which communities vote to authorize the issuance of bonds to fund various projects and improvements in their local school districts. The elections determine the quality of educational settlements –new school buildings, renovating existing facilities, upgrading technology, and improving safety measures. The outcomes of these elections directly affect the quality of education and learning environments for students within the county. Successful bond measures can stimulate economic growth by creating jobs and attracting families to the area.
Community involvement and voter turnout are essential in determining the allocation of resources and shaping the quality of life for its citizens. In recent years, however, voter ambivalence about the education “industry” in general, the rise of home schooling and other cultural factors, complicate choices presented to voters.
New update alert! The 2022 update to the Trademark Assignment Dataset is now available online. Find 1.29 million trademark assignments, involving 2.28 million unique trademark properties issued by the USPTO between March 1952 and January 2023: https://t.co/njrDAbSpwBpic.twitter.com/GkAXrHoQ9T
