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About this blog

Blogging with the Walshster

Entries in this blog

Relax, I'm Here.

Ever since my birth in a log cabin in Montana, I've made a hobby of moonlighting in all of the occupations listed here, proceeding through them alphabetically. Personally, I've found I have a real interest in Taxi and Exotic dancing, grioting, and mechanical/aerospace engineering. I cannot wait to learn about all of these within AP Physics C. My strengths include algebraic manipulation of numbers and a truly superior superior vena cava. I think I can certainly stand to improve my sink-throwing s

walsh416

walsh416

Neat Mechanical Analogs to E&M

I just skimmed blog post, and it got me thinking: what are some different ways to think about electrostatics and magnetism? I always function better when I can picture things as basic, mechanical physics concepts. I make it a point to always try to draw connections between more advanced concepts in physics (say, anything and everything covered in E&M) and more simplistic concepts (you know, water and force of gravity and junk like that). Until finding a Wikipedia article on the hydraulic

walsh416

walsh416

Likely the most embarrassing bike crash ever

"The following is a recreation of the real world events of a late October day in two thousand eleven, anno dominae." T-10sec: Timothy is riding along on his bicycle, and comes across a group of walkers blocking the roadway. Being the amiable gentleman he is, he decides to go around them, swerving onto the sidewalk. T-1sec: Disaster seems ready to strike our hero, for as he prepares to dive back into the street he strikes a pedal on the driveway, lifting his rear wheel up and reducing its

walsh416

walsh416

Catapult Day!

So we launched catapults on Friday, that was pretty intense. In theory, ours was utterly perfect. We optimized it mathematically, and built it with the strongest $1.99 2x4s in all the land. What we didn't account for was wind. Not wind's effect on our projectile, but on the catapult itself. When cocked, our catapult had 135 pounds roughly four feet in the air (about 700 joules of potential energy, for those keeping score). During one launch our catapult, well, fell on me. If it fell two

walsh416

walsh416

As Promised, the Physics of Typewriters

First seen as a relatively mature product in the 1910s, the typewriter quickly became an indispensable part of the 'modern' office and home. An entirely mechanical, analogue device, the typewriter uses a complex series of metal levers to raise 'typebars' (longer levers with characters on the ends). These typebars strike an ink ribbon and press it against the page. This impulse transfers some of the ink from the ribbon onto the page. At the end of a line of text, a typist must press the c

walsh416

walsh416

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