Kilcullen Science and Engineering

Chimney stacks, some topped with pots, on buildings along Kilcullen’s Upper Main Street.  I've been reading the cover article from the A...

Circumference, diameter and radius. © Eugene Brennan   What You'll Learn In this tutorial you'll learn about: names for differen...

Created by ChatGPT In theory, according to Newton's first law, a body remains at rest, or in motion at a constant speed in a straight...

A multimeter measures voltage, current, and resistance and can also trace breaks in wires and test diodes, capacitors, and fuses. © Eugene B...

Created by Grok. Eugene: Is it possible to make a material that has a huge amount of drag that could allow a human to float? And what topol...

© Eugene Brennan In this tutorial, you'll learn about a mathematical function called the parabola. We'll cover the definition of ...

Created by ChatGPT Eugene: Is it possible to convert the energy stored in garden waste directly into electricity?

© Eugene Brennan The theory of special relativity was postulated by Einstein in his 1905 paper, "On the Electrodynamics of Moving Bodie...

Graph of temperature versus max water storage capacity of air. Anyone who owns an air compressor knows that one of the regular maintenance ...

A graph of a log function.  Krishnavedala , CC BY-SA 3.0 via Wikimedia Commons An Introduction to Logarithms, Bases and Exponents In this ...

Screenshot of a table. © Eugene Brennan Artificial intelligence gets a lot of bad press, so I need to write a proper article at some stage a...

Thanks to ChatGPT for creating the table to my design. There's a long discussion with ChatGPT about the gas law equations here , where I...

A fire plunger. Image courtesy eBay Two gadgets for those who need to light a fire when camping or otherwise and want to show off (although...

© Eugene Brennan What Is Calculus? Calculus is a study of rates of change of functions and accumulation of infinitesimally small quantiti...

 © Eugene Brennan Calculus is a study of rates of change of functions and accumulation of infinitesimally small quantities. It can be broad...

Created by Grok Well you'd be incinerated as you pass through the hot and molten core! But imagine if the core wasn't there or you h...

NASA astronaut Jim Lovell, photographed in 1969. Image credit: NASA, public domain, via Wikimedia Commons The late Jim Lovell, commander of ...

An ash tree growing on a trail beside the Poulaphouca Reservoir. © Eugene Brennan In the period from 20th to 31st January, the volume of wat...

Water level in Golden Falls Lake, Ballymore Eustace. Image courtesy ESB hydrometrics The Golden Falls lake rose 1.44 m since yesterday. That...

Movie projector from Kilcullen Town Hall Cinema. © Eugene Brennan I was examining the nameplate (rating plate) of Kilcullen Town Hall's ...