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Fault tree analysis (FTA) was developed in 1962 and is frequently used in safety and reliability engineering fields. FTA is employed in almost every engineering discipline and provides a framework using which the defects and weaknesses of a system can be analyzed qualitatively or quantitatively.
A fault tree is a struc... |
On a sunny Friday in February, Marine Ecology Program Director Hannah Webber sent an automatic water monitoring instrument (SeapHOx) out to a site off Schoodic Island for a third year of measuring acidity and other water quality parameters, in collaboration with Acadia National Park.
After Webber screwed the sensors an... |
According to the World Health Organization, 2 billion people lack access to safe drinking water, leading to waterborne diseases and over 500,000 deaths each year. Moreover, by 2040, roughly 1 in 4 children worldwide will be living in areas of extremely high water stress.
Kyran Knauf, a French-German freelance designer,... |
Service Water Treatment involves various procedures that separate the various types of contaminants from the water. During the water treatment process, water is made slightly basic so that the metals that are present in the water will be precipitated. This process also removes organic matter. It is an ancient technique... |
Bridges. 1. Definitions and General Considerations. - Bridges (old forms, brig, brygge, brudge; Dutch, brug; German, Brücke; a common Teutonic word) are structures carrying roadways, waterways or railways across streams, valleys or other roads or railways, leaving a passage way below. Long bridges of several spans are ... |
In your organic chemistry class, questions like predict the product or mechanisms might oftentimes involve a step with rearrangements (hydride or methyl shifts).
1. How do we know when rearrangements are possible?
Simple, any mechanisms that involves a carbocation can have rearrangement. Therefore, reactions Sn1, E1, a... |
Jehossee Island, at approximately 4,500 acres, is separated from the mainland by the Dawho River, South Edisto River, and the Intracoastal Waterway. The Jehossee causeway, the only link to the mainland, was destroyed when the waterway was created in the 1920’s.
The majority of the island consists of salt marsh salt mar... |
This is a pretty big question to grapple with, especially if you are only in Primary School! Well this is exactly what the students in 3-6 Honours did in Semester 1. Throughout Term 1 and Term 2 students engaged with the topic “What Matters”. Each student was able to select a topic of interest which would be their focu... |
ROCHESTER, Minn. — A pair of Mayo Clinic studies shed light on something that is typically difficult to see with the eye: respiratory aerosols. Such aerosol particles of varying sizes are a common component of breath, and they are a typical mode of transmission for respiratory viruses like COVID-19 to spread to other p... |
Early mechanical timepieces didn’t have hands.
They signaled time with bells.
Then one hand was introduced, indicating the hour only, until eventually sophisticated mechanics introduced the more precise minute and then second hands.
Because clocks were invented in the northern hemisphere, the hands followed the same di... |
Moderate Imaging Spectroradiometer (MODIS) data in the Normalized Difference Vegetation Index (NDVI), an index that shows plants “greenness” or photosynthetic activity, is helping better understand risk factors associated with Rift Valley Fever outbreaks in Southern Africa.
A recent study published in the National Cent... |
Food production is one of the largest drivers of climate change and environmental degradation. Current diets are contributing to a rising burden of diet-related chronic diseases. To address these intertwined issues, there is an urgent need to transition to sustainable and nourishing dietary patterns. Addressing food pr... |
Remembering the Fall of the Soviet Union: The August Coup of 1991
In the summer of 1991, the world watched in awe as a pivotal event unfolded in the heart of Moscow. On the fateful day of August 19th, a group of high-ranking Soviet officials attempted to overthrow President Mikhail Gorbachev in what came to be known as... |
Prepare for the mental health impacts of disasters
Being prepared is about having plans in place so that individuals, communities and services are able to minimise the mental health impacts of a disaster and recover more quickly.
Having a better understanding of the common emotional reactions to a disaster and knowledg... |
Considering the various types of disasters and catastrophes that many people face in different places in the world it is important to consider how you can plan to provide the very basic human needs, including food and water, for your family and yourself. According to Healthline.com “You won’t live long without consumin... |
Thomas Fuller, often called “the Virginia Calculator,” was born in 1710, somewhere between the “Slave Coast” of West Africa (present-day Liberia) and the Kingdom of Dahomey (modern-day Benin). When the pre-colonial scramble for slaves replaced the earlier trade in gold, Fuller was snatched from his native land, sold as... |
Are you teaching AP Spanish for the first time and not sure how to plan for these AP Spanish classes? It can be very overwhelming to try to figure out how to plan for AP Spanish and all the requirements of curriculum and test prep! Here are some tips and tricks I’ve learned along the way!
1. Carve Out a Big Chunk of Ti... |
Design by Maddy Pease.
When I was learning how to drive, one of the first things Driver’s Ed taught was that driving is a privilege, not a right. With this understanding, the “privilege” of being able to drive is earned, and can be stripped away if you fail to drive well. You’re not born with the ability to drive, you ... |
Nearly everyone plays games today. But the earliest manufactured board and card games illustrate that our ancestors may have felt differently about gaming. Many games from the middle and later nineteenth century were didactic—they taught a subject either scholarly or religious. Maps comprise all the earliest children’s... |
Fluid intelligence is represented by a person’s ability to use logic and reasoning to solve new problems in unique ways, while crystallized intelligence is represented by a person’s ability to access and apply previously learned information and knowledge.
Our intelligence as individuals is a critical component of our p... |
If you think recent natural disasters have been terrifying — just wait. Things will only get worse over the next century, a group of leading climate change researchers warns in a paper published in Nature Climate Change this week.
Currently, most places suffer just one climate-related disaster at a time. But by 2100, r... |
Candle Snuffer and Douter
Until the mid 19th century, when the braided, self-consuming candle wick was invented, candles needed to be trimmed or ‘snuffed’ very frequently, while still burning, to prevent the wick from smoking and flaring. The snuffer or wick scissors combined a blade to trim the wick with a box to hold... |
Solar photovoltaic power stations in dry cereal farmland: how to convert habitat loss into landscape heterogeneity
By Iván Salgado
Agricultural intensification has caused the decline of farmland bird populations across Europe (Donald et al. 2001; Rigal et al. 2023). High-intensity farming simplifies agricultural mosaic... |
Cycling is popular with people of all ages. Whether it’s a family hobby, a mode of transportation, a way to exercise, or a competitive pastime, cycling can take you through busy city streets or into beautiful natural environments that lie beyond city limits.
Wherever your travels take you, it is important to consider s... |
A kindergarten student is counting multi-colored marbles. She realizes that there are 8 marbles each time she counts, even when she starts with a different color each time. What skill is the kindergartener demonstrating?
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Where in the Story Does Your Plot Start?
A discussion about the difference between plot vs. story is anything but an academic question. Instead, like most talks about structure, how a plot is designed defines how the audience experiences the story.
An early point of attack gives you the musical Les Mis, where you see t... |
Mangrove expansion and saltmarsh decline at mangrove poleward limits
Mangroves are species of halophytic intertidal trees and shrubs derived from tropical genera and are likely delimited in latitudinal range by varying sensitivity to cold. There is now sufficient evidence that mangrove species have proliferated at or n... |
When computers need to communicate with each other on a network, they use IP addresses to identify and locate the devices they want to connect with. An IP address is a unique numerical identifier assigned to each device on a network. It consists of four sets of numbers separated by dots, such as 192.168.0.1.
IP address... |
Salt has long been used for various purposes around the house, specifically in the kitchen. It is commonly used to preserve food and flavor it. However, you may have heard of people having some uncommon uses for salt like drying up their water-damaged electronics and dehumidifying the air.
Hence comes the question – do... |
Similes and Metaphors Figurative Language Digital Task Cards
NZ$0.00 incl GST (NZ)
Go paperless with our Google Slides – ready similes and metaphors figurative language resource! These activities feature 20 interactive slides for students to work through. Due to their mostly open-ended nature, many slides can be used m... |
Thomas Becket (1118–1170) was Lord Chancellor of England in the twelfth century under Henry II, archbishop of Canterbury, and an incarnation of the ascended master El Morya. He was deeply devoted to the will of God and endured years of conflict with King Henry II over the rights of Church versus State. Becket was bruta... |
By the age of three months, human babies can already follow Mr. Rogers' advice to "look for the helpers." In fact, human infants naturally show a strong preference for individuals who help rather than hinder others. Now, a study reported in Current Biology on January 4 finds that the same cannot be said of bonobos, one... |
Sutuli is a clay-baked wind instrument. This half-moon-shaped, musical instrument falls under the category of Susira Vadya (wind instrument) of Indian musical instruments.
Sutuli, an indigenous folk instrument draws inspiration from nature. It emulates the sound of a wild bird-kuli in Assamese or more popularly known a... |
NOTE: This product can be accessed through links that will be sent to you upon purchase.
A yearlong course for grades 3-4
This classical, beautiful, and widely spoken language will be a treasure for children to learn. There a distinction, however, between just learning common words and phrases, which is the approach of... |
Today we explore the special INCISIONE lesson within the Jewelry Making course; Incisione refers to the traditional Florentine-style engraving technique. We will be following how to decorate leaf-shaped pendant head with delicate engraving.
Incisione technique requires engraving techniques, but our students of Jewelry ... |
Risk assessment is a systematic process of identifying, evaluating, and prioritizing potential risks or hazards associated with a particular activity, project, or situation. It involves assessing the likelihood of an event occurring and the potential impact or consequences it could have. The purpose of risk assessment ... |
To help make microscopes as accessible and as sturdy as pencils, Stanford University biophysicist Manu Prakash created an ultra-low-cost origami-based microscope. He was inspired by a 2011 visit to a Thailand clinic where the local team was intimidated from using the state-of-the-art microscopes for fear of somehow dam... |
I was recently emailed by Matthew W. Shepherd about a recording he made of wind whistling through railings. Unfortunately, Matthew didn’t have the best recording equipment available, but you can still hear the tones above the general rustling wind noise. So how is the sound made?
[soundcloud url=”http://api.soundcloud.... |
In this post, you’ll be learning about workbooks and how to create new workbooks in Excel VBA with few simple steps, add worksheets and later save the workbook.
How to Access VBA in Microsoft Excel?
To access the VBA feature in Excel, follow the below steps.
- Under the Developer tab, click visual basic
- From the inse... |
Walruses prefer molluscs - mainly bivalves such as clams. They also eat many other kinds of benthic invertebrates including worms, gastropods, cephalopods, crustaceans, sea cucumbers, and other soft-bodied animals. Walruses may occasionally prey on fishes such as polar cod.
Walruses may eat the carcasses of young seals... |
The surname Collins originates from Ireland’s ancient past, tracing back to the days of Gaelic tribes and the intricate web of chieftains, clans, and territories that characterized this vibrant period in Irish history.
Etymology and Meaning
The name Collins stems from the old Gaelic name “O’Coileain,” which translates ... |
Table of Contents
The eel is a slippery creature. This fish can be found in freshwater and saltwater environments, and it’s known for its elongated body and forked tail. They are predators, and they use their sharp teeth for hunting down prey. While they may not be the most popular type of fish out there, they’re defin... |
Gambling is a complex and intriguing human behavior that has been present throughout history in various forms. From casinos to lotteries, sports betting to online poker, the appeal of gambling is undeniable.
But what drives people to engage in this risky activity, and why do some individuals seem more prone to develop ... |
A Lorawan Gateway is a box that connects wireless Lorawan devices such as sensors to the Internet via a local network. Lora gateways is a radio module that serves as a communication device between a Lora network terminal and a Lorawan network server (LNS). The gateway is the starting point for devices in the network th... |
It is difficult to pinpoint which country has the highest rate of food poisoning, as different countries define and report on food poisoning differently. However, a recent survey from the World Health Organization (WHO) revealed that the rate of foodborne illnesses is highest in low and middle-income countries, particu... |
If you’re reading this, then I’m going to assume you already know what an API is. But, for the sake of those who may not know, I’ll touch on the fundamentals a bit.
What Is an API (Application Programming Interface)?
An API is a software interface that allows data exchange and communication between two separate softwar... |
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