Planetarians’ Zoom Seminar of 2024 May 31. Preschool Children in the Dome. Led by Tony Smith (Astronomy Educator for Online Learning at ASP; planetarian), Anna Hurst (Program Director at the Astronomical Society of the Pacific) and Mary Holt (Planetarium Programs Specialist at California Academy of Sciences). How can planetariums offer engaging programming for preschool children and their families, an audience often overlooked and feared by even the most experienced planetarians?
The Astronomical Society of the Pacific (ASP) and California Academy of Sciences (CAS) share some resources and experiences engaging pre-school children in earth and space science and then facilitate a conversation among attendees. What has worked well in your dome? What are the challenges? What support do you need to feel confident about reaching this audience?
yet we must work to ensure that it does not divide us.”
— Guglielmo Marconi
When the electric grid and the internet are down and there is no cell service, radio can still work to help communities stabilize. Starting 2024 we will break down our coverage of the radio frequency technology standards used in educational settlements into into two categories:
Radio 300: Security and maintenance radio. These usually use a single radio channel and operate in a half-duplex mode: only one user on the channel can transmit at a time, so users in a user group must take turns talking. The radio is normally in receive mode so the user can hear all other transmissions on the channel. When the user wants to talk he presses a “push-to-talk” button, which turns off the receiver and turns on the transmitter; when he releases the button the receiver is activated again. Multiple channels are provided so separate user groups can communicate in the same area without interfering with each other.
As of this posting APCO International has no public consultations on any titles in its public safety radio standards catalog.
Radio 400: Student radio. College radio stations are typically considered to be public radio radio stations in the way that they are funded by donation and grants. The term “Public radio” generally refers to classical music, jazz, and news. A more accurate term is community radio, as most staff are volunteers, although many radio stations limit staff to current or recent students instead of anyone from the local community. There has been a fair amount of drama over student-run radio station history; a topic we steer away from.
The Low Power FM radio service was created by the Commission in January 2000. LPFM stations are authorized for noncommercial educational broadcasting only (no commercial operation) and operate with an effective radiated power (ERP) of 100 watts (0.1 kilowatts) or less, with maximum facilities of 100 watts ERP at 30 meters (100 feet) antenna height above average terrain. The approximate service range of a 100 watt LPFM station is 5.6 kilometers (3.5 miles radius). LPFM stations are not protected from interference that may be received from other classes of FM stations.
We follow — but do not respond — to consultations on titles covering the use of radio frequencies for the Internet of Things. At the moment, most of that evolution happens at the consumer product level; though it is wise to contemplate the use of the electromagnetic spectrum during widespread and extended loss of broadband services.
Maxwell equations: Four lines that provide a complete description of light, electricity and magnetism
We do not include policy specifics regarding the migration of National Public Radio beyond cultural content into political news; though we acknowledge that the growth of publicly financed radio domiciled in education communities is a consideration in the technology of content preparation informed by the Public Broadcasting Act of 1967.
We drill into technical specifics of the following:
Radios used for campus public safety and campus maintenance
Student-run campus radio stations licensed by the Federal Communications Commission as Low Power FM (LPFM)
Facilities for regional broadcast of National Public Radio operating from education communities
Off-campus transmission facilities such as broadcast towers.
Grounding, bonding, lightning protection of transmission and receiving equipment on buildings
Broadcast studio electrotechnologies
Radio technology is regulated by the Federal Communications Commission with no ANSI-accredited standards setting organizations involved in leading practice discovery and promulgation. Again, we do not cover creative and content issues. Join us today at 11 AM/ET using the login credentials at the upper right of our home page.
The frequency differences between public safety radio and public broadcasting radio are mainly due to their distinct purposes and requirements.
Public safety radio operates on VHF and UHF bands for emergency services communication These radio systems are designed for robustness, reliability, and coverage over a specific geographic area. They prioritize clarity and reliability of communication over long distances and in challenging environments. Encryption may also be employed for secure communication.
Public broadcasting radio operates on FM and AM bands for disseminating news, entertainment, and cultural content to the general public. These radio stations focus on providing a wide range of content, including news, talk shows, music, and cultural programming. They often cover broad geographic areas and aim for high-quality audio transmission for listener enjoyment. Unlike public safety radio, public broadcasting radio stations typically do not require encryption and prioritize accessibility to the general public.
NFPA 1930 is in a custom cycle due to the Emergency Response and Responder Safety Document Consolidation Plan (consolidation plan) as approved by the NFPA Standards Council. As part of the consolidation plan, NFPA 1930 is combining Standards NFPA 1801, NFPA 1802, NFPA 1932, NFPA 1937, and NFPA 1962.
Firefighter radio communication faces several special technical challenges due to the nature of the environment they operate in and the criticality of their tasks. Here are some of the key challenges:
Interference and Signal Degradation: Buildings, debris, and firefighting equipment can obstruct radio signals, leading to interference and degradation of communication quality.
Multipath Propagation: Radio signals can bounce off surfaces within buildings, causing multipath propagation, which results in signal fading and distortion.
Limited Bandwidth: Firefighter radio systems often operate on limited bandwidths, which can restrict the amount of data that can be transmitted simultaneously, impacting the clarity and reliability of communication.
Noise: The high noise levels present in firefighting environments, including sirens, machinery, and fire itself, can interfere with radio communication, making it difficult for firefighters to hear and understand each other.
Line-of-Sight Limitations: Radio signals typically require a clear line of sight between the transmitter and receiver. However, in complex urban environments or within buildings, obstructions such as walls and floors can obstruct the line of sight, affecting signal strength and reliability.
Equipment Durability: Firefighter radio equipment needs to withstand harsh environmental conditions, including high temperatures, smoke, water, and physical impacts. Ensuring the durability and reliability of equipment in such conditions is a significant challenge.
Battery Life: Prolonged operations in emergency situations can drain radio batteries quickly. Firefighters need reliable battery life to ensure continuous communication throughout their mission.
Interoperability: Different emergency response agencies may use different radio systems and frequencies, leading to interoperability issues. Ensuring seamless communication between various agencies involved in firefighting operations is crucial for effective coordination and response.
Priority Access: During large-scale emergencies, such as natural disasters or terrorist attacks, communication networks may become congested, limiting access for emergency responders. Firefighters need priority access to communication networks to ensure they can effectively coordinate their efforts.
Training and Familiarity: Operating radio equipment effectively under stress requires training and familiarity. Firefighters must be trained to use radio equipment efficiently and effectively, even in challenging conditions, to ensure clear and concise communication during emergencies.
The consumption of raw milk, which is milk that has not been pasteurized or homogenized, is a topic of debate and controversy. Advocates of raw milk claim certain potential advantages, while opponents highlight health risks associated with consuming unpasteurized milk. It’s important to note that health regulations and recommendations vary by region, and some places may have restrictions on the sale or distribution of raw milk due to safety concerns.
Advocates of raw milk often cite the following potential advantages:
Nutrient Retention: Some argue that the pasteurization process, which involves heating milk to kill harmful bacteria, may also destroy certain beneficial nutrients in milk. Proponents of raw milk claim that it retains more of its natural vitamins, enzymes, and beneficial bacteria.
Enzymes: Raw milk contains natural enzymes that may aid in digestion and nutrient absorption. Some people believe that these enzymes are destroyed during pasteurization, potentially affecting the milk’s nutritional value.
Probiotics: Raw milk may contain beneficial bacteria, or probiotics, which could contribute to a healthy gut microbiome. These bacteria are thought to have potential health benefits.
Improved Taste: Some individuals prefer the taste of raw milk, finding it to be richer and creamier compared to pasteurized milk.
However, it’s crucial to consider the potential risks associated with raw milk consumption:
Bacterial Contamination: Raw milk can harbor harmful bacteria such as Salmonella, Escherichia coli (E. coli), and Listeria. These bacteria can cause serious foodborne illnesses, especially in vulnerable populations such as young children, pregnant women, and individuals with weakened immune systems.
Health and Safety Concerns: Pasteurization is a process designed to kill harmful bacteria without significantly affecting the nutritional value of the milk. It has played a crucial role in preventing the spread of infectious diseases through milk consumption.
Regulatory Compliance: In many regions, the sale of raw milk is subject to strict regulations due to concerns about public health. Consumers should be aware of and comply with local laws and regulations regarding raw milk.
Before considering raw milk consumption, individuals should thoroughly research local regulations, consult with healthcare professionals, and weigh the potential benefits against the associated risks. It’s essential to prioritize food safety and make informed decisions based on reliable information.
Dairy milk products remain a vital part of global food supply. Since 1970 an ISO Technical Subcommittee — ISO/TC 34/SC 5 Milk and milk products — seeks globally effective standardization solutions in the methods of analysis and sampling for milk and milk products, covering the dairy chain from primary production to consumption. The business plan of its parent committee is linked below:
The American Society of Agricultural and Biological Engineers is the US Technical Advisory Group Administrator to the parent TC34 committee but ANSI does not have a Technical Advisory Group leader. As the U.S. member body to the ISO, ANSI is always on the hunt for its members and/or relevant stakeholders to participate in discovering standardization solutions in a broad range of technologies and markets with like-minded experts in other national standards bodies. The full sweep of ANSI’s participation in consensus documents developed by the ISO is described in the link below:
This committee has functioned since 1970 — long enough for many of the best practice titles it produces to have stabilized. There is other market action in the global dairy supply — notably the growth of non-dairy food supply — but we find no public consultations open on proposed standardization solutions as of this posting. When they are released they will appear in the link below:
Land grant colleges and universities are likely stakeholders in this domain. Apart from the passion that young people have for fair trade in any market, we see this as an opportunity for faculty and students to gain insight into the geo-politics of food supply generally and the subtleties of coffee markets. Business schools, agricultural colleges, international studies program developers who may be, and should be, interested in a leadership opportunity on behalf of the United States should communicate directly with ANSI’s ISO Team ((isot@ansi.org).
We devote at least an hour every month breaking down public consultations on food safety and sustainability. The work products of TC 34 appears on the standing agenda of both our Global and Food colloquia. See our CALENDAR for the next online meeting; open to everyone.
Issue: [19-46]
Category: Academic, Global
Colleagues: Mike Anthony, Christine Fischer, Akkeneel Talsma
Robert A. M. Stern is an American architect, educator, and author known for his contributions to the field of architecture, urbanism, and design. Stern has been particularly influential in shaping the aesthetics of educational campuses through his architectural practice and academic involvement. Here are some key aspects of his approach to the aesthetics of educational campuses that attract philanthropic legacies:
Pedagogical Ideals:
Stern’s designs for educational campuses often reflect his understanding of pedagogical ideals. He considers the spatial organization and layout of buildings in relation to the educational mission of the institution.
Spaces are designed to foster a sense of community, encourage interaction, and support the overall educational experience.
Traditional and Classical Influences:
Stern is known for his commitment to classical and traditional architectural styles. He often draws inspiration from historical architectural forms and traditional design principles.
His work reflects a belief in the enduring value of classical architecture and its ability to create a sense of timelessness and continuity.
Contextual Design:
Stern emphasizes the importance of contextual design, taking into consideration the existing architectural context and the cultural or historical characteristics of the surrounding area.
When designing educational campuses, he often seeks to integrate new buildings harmoniously into the existing campus fabric.
Attention to Detail:
Stern is known for his meticulous attention to detail. His designs often feature carefully crafted elements, including ornamental details, materials, and proportions.
This focus on detail contributes to the creation of visually rich and aesthetically pleasing environments.
Adaptation of Historical Forms:
While Stern’s work is firmly rooted in traditional and classical architecture, he also demonstrates an ability to adapt historical forms to contemporary needs. His designs often feature a synthesis of timeless architectural elements with modern functionality.
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
