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rhettallain

rhettallain

Claimed Blog: Dot Physics

ScienceBlips Member since Nov. 5, 2009

blog.dotphys.net - 2 days ago
Another Blog Move
— blog.dotphys.net — I am moving to ScienceBlogs.com . So, as I have said before, basically it will be the... same stuff, new server. As of right now, only my new stuff is at http://ScienceBlogs.com/dotphysics , but soon all my old stuff will be there too. To summarize: It is not you, it’s me. Thousand ... (more) Another Blog Move

Comments vote down rhettallain rhettallain posted 2 days agoposted this
Dear Adam, This is Tracker Video Analysis
blog.dotphys.net - 9 days ago
Dear Adam, This is Tracker Video Analysis
— blog.dotphys.net — Everyone knows, or should know how much I like MythBusters . Here is the problem. Below is... a picture of Adam analyzing the motion of a an exploding water heater. Actually, I applaud Adam for his creative use of the vernier caliper. Really, it is an example of “making things ... (more) Dear Adam, This is Tracker Video Analysis

Comments vote down rhettallain rhettallain posted 9 days agoposted this
Punkin Chunkin – they will never make a mile range
blog.dotphys.net - 12 days ago
Punkin Chunkin – they will never make a mile range
— blog.dotphys.net — In my previous post on launching a pumpkin (punkin chunkin) I essentially just looked at what happens... to the pumpkin after it is launched. How fast would you have to shoot it to go 1 mile? The answer seems to be around 1000 mph and they are currently shooting them around 600 mph. The ... (more) Punkin Chunkin – they will never make a mile range

Comments vote down rhettallain rhettallain posted 12 days agoposted this
MythBusters and the first water heater
blog.dotphys.net - 13 days ago
MythBusters and the first water heater
— blog.dotphys.net — Last night I saw the newest episode of MythBusters. One of the myths they revisited was the... exploding water heater. Well, it turns out that I had an analysis of this first explosion, but I didn’t move it over when I switched software. So, here it is. In case you never saw the ... (more) MythBusters and the first water heater

Comments vote down rhettallain rhettallain posted 13 days agoposted this
Lab: The Charge of an Electron
blog.dotphys.net - 19 days ago
Lab: The Charge of an Electron
— blog.dotphys.net — Not really. Here are the details (and some data) for the Millikan Oil Drop Experiment without the... oil drop that I talked about previously (originally from The Physics Teacher – lucky you, it was a featured article so it should still be available (pdf) ). The basic idea that ... (more) Lab: The Charge of an Electron

Comments vote down rhettallain rhettallain posted 19 days agoposted this
I need a little rock help
blog.dotphys.net - 22 days ago
I need a little rock help
— blog.dotphys.net — Maybe this isn’t that mysterious. However, quite some time ago my daughter found this rock in the... backyard. First, you must understand that this is an odd occurrence. In this part of Louisiana, there really aren’t any rocks, just dirt. When she showed it to me, I readily ... (more) I need a little rock help

Comments vote down rhettallain rhettallain posted 22 days agoposted this
Uncertainty and Video Analysis
blog.dotphys.net - 22 days ago
Uncertainty and Video Analysis
— blog.dotphys.net — This is for commenter JimP. How do you take into account uncertainty when using video analysis? A... great question. The first thing to think about is where does the uncertainty come from? My first guess would that it would be from the user. Where does the user click? Is it right on the ... (more) Uncertainty and Video Analysis

Comments vote down rhettallain rhettallain posted 22 days agoposted this
blog.dotphys.net - 23 days ago
Comment on Some Tips for Punkin Chunkin by Uncle Al
— blog.dotphys.net — http://www.punkinchunkin.com/rules.htm Rules ban deep pockets for innovation (18-wheeler of laser capacitors, heater bank, hogshead or five of... liquid helium). If you already bought the capacitors… a pumpkin railgun? Grow the projectiles in square frames and apply for DARPA funding re ... (more) Comment on Some Tips for Punkin Chunkin by Uncle Al

Comments vote down rhettallain rhettallain posted 23 days agoposted this
blog.dotphys.net - 23 days ago
Comment on The physics of Michael Jackson’s moonwalk by Dawood
— blog.dotphys.net — no one ever will do moonwalking as MJ did….. all notable tributes and quotes on Michael Jackson... from peers: http://www.tributespaid.com/quotes-on/michael-jackson (more) Comment on The physics of Michael Jackson’s moonwalk by ...

Comments vote down rhettallain rhettallain posted 23 days agoposted this
blog.dotphys.net - 23 days ago
Comment on About by Willam Lee
— blog.dotphys.net — Our website Science.org is a informational databases and online news publication for anything and everything related to... science and technology. We recently ran a poll asking our website users regarding what online informational resources they use to keep up to date or even to simply find great ... (more) Comment on About by Willam Lee

Comments vote down rhettallain rhettallain posted 23 days agoposted this
blog.dotphys.net - 25 days ago
Comment on Some Tips for Punkin Chunkin by Rhett
— blog.dotphys.net — @Leif For graphs, I mostly use matplotlib module for python. If I want to draw on top... of a graph, I put the graph in Keynote (by Apple) and then use the drawing tools. I do the same for the other diagrams. I use Keynote and equations are imported from LaTeXit. (more) Comment on Some Tips for Punkin Chunkin by Rhett

Comments vote down rhettallain rhettallain posted 25 days agoposted this
blog.dotphys.net - 25 days ago
Comment on Parallax, what is it good for? by Cleon Teunissen
— blog.dotphys.net — About the views of the ancient greeks and later. To my knowledge: among greek scholars it was... generally understood that the Earth had to be spherical. For instance, it was known that when there is a lunar eclipse the shadow that the Earth casts on the Moon is always circular. There were ... (more) Comment on Parallax, what is it good for? by Cleon Teunissen

Comments vote down rhettallain rhettallain posted 25 days agoposted this
blog.dotphys.net - 26 days ago
Comment on Some Tips for Punkin Chunkin by Leif Segen
— blog.dotphys.net — What software do you use for your diagrams and graphs? I would guess OmniGraffle, but I don’t... think it can integrate mathtype. (more) Comment on Some Tips for Punkin Chunkin by Leif Segen

Comments vote down rhettallain rhettallain posted 26 days agoposted this
blog.dotphys.net - 26 days ago
Comment on Parallax, what is it good for? by Rhett
— blog.dotphys.net — @Cleon, I made up the part about making fun of him. You know, like Rudolph the Red... Nose Reindeer…. You make a good point though. (more) Comment on Parallax, what is it good for? by Rhett

Comments vote down rhettallain rhettallain posted 26 days agoposted this
blog.dotphys.net - 26 days ago
Comment on Parallax, what is it good for? by Cleon Teunissen
— blog.dotphys.net — Did other greeks actually make fun of Aristarchus? Or is that detail a fancy, to make the... story juicier? I know, drama is appealing: the one voice who turned out to be right after all. But we don’t know what Aristarchus’ considerations were. It seems to me the prevailing ... (more) Comment on Parallax, what is it good for? by Cleon Teunissen

Comments vote down rhettallain rhettallain posted 26 days agoposted this
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