Wednesday, December 6, 2023

Whatever happened to cursive writing? Here is an answer from the Word Genius Blog.

 

A Brief History of Cursive Writing

Good penmanship was long considered a status symbol, in that it meant one had the wealth, privilege, and time to access education. The ancient Romans borrowed aspects of the Etruscan alphabet to create one of the earliest forms of written script for transactions and correspondence. In the late eighth century, Charlemagne instructed an English monk to standardize the craft of penmanship, which resulted in Carolingian minuscule, a form of writing that crept closer to modern script. A heavier typeface reigned supreme upon the invention of the printing press in the mid-15th century, but Italian humanists revolted by creating an even more elegant handwriting style, known as “italic.” This became such a status symbol that, by the 1700s, some writing schools emerged in the American Colonies. At Boston schools such as the Latin School and the Writing School in Queen Street — where subjects included spelling, reading, writing, arithmetic, and the catechism — there was a heavy focus on penmanship and different forms of ornamental script and calligraphy.

This idea of teaching penmanship as a school subject caught on, and in the 19th and 20th centuries, cursive English was standardized in the American school system. As cities grew and more job opportunities (such as secretarial positions) opened up outside of fields and factories, strong writing skills were required. In many ways, good penmanship meant better opportunities, plain and simple.

Technology and Obsolescence

However, by the beginning of the 20th century, typewriters had entered the picture. They arrived in classrooms by the 1930s, eventually to be replaced by computers in the late 1980s. Much in the same way good penmanship had once been a key professional skill to get certain jobs in the previous century, educators began to understand typing as an essential skill for burgeoning professionals, and typing classes became part of the school curriculum.

Once email and texting became major forms of communication by the early 2000s, schools began to emphasize computer literacy even more. It became common practice for college students to use laptops for taking notes and completing exams and assignments, eschewing the need for good penmanship. By 2010, the Common Core State Standards declared American students no longer needed cursive proficiency, and many schools removed it from their curriculum.

Modern Resurgence

While it may not be required coursework across the board, cursive is making a comeback. Research shows that handwriting notes activates multiple brain regions associated with optimal memory, much more so than note-taking with digital devices. Taking notes by hand or writing a to-do list on paper will preserve that memory a lot longer than typing into a laptop or phone. As of February 2022, 14 states passed legislation requiring cursive to be taught in schools, with legislation pending elsewhere. Educators argue that such instruction is essential to developing fine motor skills.

With cursive back in classrooms, maybe the art of penmanship won’t be relegated to assignments. Perhaps sending long missives through the mail will be the next trend of 2023.

Monday, May 22, 2023

 I asked GPT-4 to chat about anhydrous ammonia and fuel cells to replace gasoline as the automotive fuel of the future. Here is the conversation with GPT-4:

Explain how anhydrous ammonia used in fuel cells is the preferred future replacement for gasoline in automobiles.
ChatGPT
2 / 2

Anhydrous ammonia is a promising fuel for fuel cells, which are electrochemical devices that convert the chemical energy of a fuel directly into electrical energy. It has several advantages over gasoline, making it a preferred future replacement for gasoline in automobiles. Here are some reasons why:

  1. Abundance and availability: Anhydrous ammonia is one of the most abundant chemicals in the world. It is widely used in agriculture as a fertilizer, and there is already an established infrastructure for its production, storage, and transportation. This means that it is readily available and can be easily distributed, making it an attractive alternative to gasoline.

  2. High energy density: Anhydrous ammonia has a high energy density, meaning it contains a lot of energy per unit of weight or volume. This makes it a very efficient fuel for powering automobiles, as it can provide a lot of energy while being relatively lightweight.

  3. Clean and environmentally friendly: Anhydrous ammonia is a clean-burning fuel, producing only nitrogen and water vapor as byproducts when used in fuel cells. This means it does not release harmful pollutants into the environment, unlike gasoline, which emits carbon monoxide, nitrogen oxides, and particulate matter.

  4. Low cost: Anhydrous ammonia is relatively inexpensive compared to gasoline, which makes it an attractive fuel option for consumers.

  5. Easy to produce: Anhydrous ammonia is relatively easy to produce, requiring only air, water, and natural gas as raw materials. This makes it a more sustainable and renewable fuel option than gasoline.

Overall, anhydrous ammonia has many advantages as a fuel for fuel cells, making it a promising future replacement for gasoline in automobiles. Its abundance, high energy density, clean and environmentally friendly properties, low cost, and ease of production make it an attractive option for consumers and manufacturers alike.

User
But anhydrous ammonia made from natural gas produces greenhouse gas CO2.
ChatGPT

That's correct. While anhydrous ammonia is a clean-burning fuel, its production process can produce greenhouse gases, particularly carbon dioxide (CO2). The majority of anhydrous ammonia production today relies on the Haber-Bosch process, which requires natural gas as a feedstock and produces CO2 as a byproduct.

However, there are efforts to mitigate the carbon footprint of anhydrous ammonia production by using renewable energy sources such as wind or solar to produce the hydrogen needed in the ammonia synthesis process. This approach, known as green ammonia, produces zero carbon emissions and can be a more sustainable option.

Additionally, as more alternative methods for ammonia production are developed and scaled up, the carbon footprint of anhydrous ammonia could be further reduced. These methods include using renewable energy to power the Haber-Bosch process, or using alternative feedstocks such as biomass or waste products.

In summary, while anhydrous ammonia produced from natural gas does produce CO2 emissions, there are efforts to reduce the carbon footprint of ammonia production and make it a more sustainable fuel option for the future.

User
What is the catalyst used by fuel cells to convert ammonia to electricity?
ChatGPT
2 / 2

The catalyst used in fuel cells to convert ammonia (NH3) to electricity is typically a combination of metals such as platinum (Pt), ruthenium (Ru), or a mixture of both. These catalysts facilitate the electrochemical reactions that occur within the fuel cell.

In an ammonia fuel cell, the catalyst is responsible for two main reactions:

  1. Ammonia oxidation at the anode: At the anode (the fuel electrode), the catalyst assists in the oxidation of ammonia (NH3) into nitrogen gas (N2) and protons (H+):

    2 NH3 + 6 H2O → 3 N2 + 8 H+ + 6 e-

  2. Oxygen reduction at the cathode: At the cathode (the air electrode), the catalyst helps in the reduction of oxygen (O2) from the air and combines it with protons and electrons to form water (H2O):

    O2 + 4 H+ + 4 e- → 2 H2O

These reactions occur on the surface of the catalyst, allowing the movement of electrons (electricity) through an external circuit to perform useful work.

Platinum is a commonly used catalyst due to its high activity and stability in these reactions. Ruthenium can also be used as a co-catalyst to enhance the catalytic performance. However, it's worth noting that research is ongoing to develop more efficient, cost-effective, and abundant catalyst materials for ammonia fuel cells.

Saturday, March 4, 2023

 Controlling the Future

I want to direct you to the new book by Béla Liptak

https://www.isa.org/Standards-and-Publications/ISA-Publications/ISA-Books/authors-corner/Author-Q-A-Controlling-the-Future