From d1a7cff1e10b0daa1cd4a561251d7902845a81c4 Mon Sep 17 00:00:00 2001 From: bnewbold Date: Fri, 23 Mar 2007 16:25:52 -0700 Subject: spell checked and changed some permissions --- Git Wiki | 4 +-- MIT Courses | 2 +- SCUBA | 74 +++++++++++++++++++++++++++++++++++++++++++++++----- Test of Features | 28 ++++++++++++++++++-- Topics of Curiosity | 8 +++--- fig/bryanJello.jpg | Bin reStructured Text | 3 +++ 7 files changed, 105 insertions(+), 14 deletions(-) mode change 100755 => 100644 fig/bryanJello.jpg diff --git a/Git Wiki b/Git Wiki index 4ecbfc1..389f9b8 100644 --- a/Git Wiki +++ b/Git Wiki @@ -17,7 +17,7 @@ Features Full File History Because all files are stored in a repository all changes are tracked and can be reverted. It could be interesting to watch the evolution - of a larger or controvertial item. + of a larger or controversial item. PDF Output Using a combination of `LaTeX`__ and rubber [#]_, portable document files can be generated on the fly (with figures etc included) @@ -39,4 +39,4 @@ To Do * possibly implement aafigure ascii->svg plugin for docutils * possibly implement auto linking for CamelCase text (probably not) * implement grouping many articles into single pdf/book automagicly -* possibly implememnt web-based editing/item creation +* possibly implement web-based editing/item creation diff --git a/MIT Courses b/MIT Courses index a1c06b3..5102fb9 100644 --- a/MIT Courses +++ b/MIT Courses @@ -2,7 +2,7 @@ Courses taken at MIT ==================== -These are the courses i've taken and plan to take. I should +These are the courses I've taken and plan to take. I should graduate in the spring of 2009 with a degree in Physics and a humanities concentration in film and video. diff --git a/SCUBA b/SCUBA index be524ca..4ffe3d6 100644 --- a/SCUBA +++ b/SCUBA @@ -1,13 +1,60 @@ ============ SCUBA Diving ============ +-------------------------------------------- +Self Contained Underwater Breathing Apparatus +-------------------------------------------- -SCUBA stands for "Self-Contained Underwater Breathing Aparatus". -The primary organization regulating SCUBA diving is PADI (the -Professional Association of Diving Instructors) +SCUBA stands for "Self-Contained Underwater Breathing Apparatus". +One of the primary organization regulating recreational SCUBA diving is +PADI (the Professional Association of Diving Instructors). -Safety -====== +Equipment +--------- + +:BCD: The buoyancy control device is basically an inflatable live vest + that you can inflate using the regulator (or by mouth) to control + your buoyancy. Your buoyancy changes as you use up air (tank gets + lighter for same volume displaced), inhale/exhale, swim in water + of different temperature or salinity, or change depth: increased + pressure compresses any flexible air pockets, including the BCD + itself, neoprene foam, or a dry-suit. + Most BCDs have their own pressure hoses coming from the first stage + regulator that supply air. + Sometimes there is only one vent valve, which has to be at the + highest orientation or air will not vent out of the bladders. +:Tank: Most tanks are made of steel or aluminum and can store compressed + air of up to 3000psi. They are stored at pressure to prevent moisture + from leaking in. There is a valve built into the tank itself that + usually gets taken apart and repaired every two years. Tanks + can last for decades even with heavy use; they are pressure tested + for fatigue and leaks. +:Regulator: The first-stage regulator is connected to the tank and steps + the pressure down to about 250psi above the surrounding/ambient + pressure. Hoses carry air at this mid-level pressure to the second + stage regulator/mouthpiece, which steps the pressure down to + about what is in your lungs. Depending on the regulator they can + be stiff (you have to suck a bit to get air, but then it rushes + in with force) or very natural feeling (air comes very smoothly + on inhalation and doesn't press into your lungs). +:Alternate: These days almost everybody carries a second regulator mouthpiece + for emergencies. These are always on and ready to breath from, + but usually stiffer so they don't free-flow as often. +:Dive Computer: + A dive computer monitors time and depth to give you an accurate picture + of how much excess nitrogen is in a diver's bloodstream. By + continuously integrating they usually "give more time at depth" than + hand calculations using tables (which err towards safety). +:Dry Suit: A dry suit is a sealed and air tight, keeping the diver's skin dry. + Extra insulation is needed to give warmth underneath. Some dry + suits are made of compressed neoprene. + A dry suit has to be constantly adjusted with tank air just like + the BCD to maintain inflation and buoyancy. +:Wet Suit: Wet suits work on the principle of holding water against the skin: + a diver's body warms this water and stays cozy as long as water + flow is restricted enough. Even little bit too much flow through + wrist or ankle openings can be very cold. + Depths ------ @@ -15,7 +62,22 @@ A PADI Open Water Diving course gives a recommended limit of 20m/60ft. A "deep dive adventure course" gives a recommended limit of 30m/100ft, and additional experience gives a limit of 40m/130ft. +With careful decompression stops and enriched compressed air (higher oxygen +content) it's possible to reach depths of hundreds of meters. Sometimes +commercial divers will dive for many hours using surface supplied air, +then live at the surface in a compression chamber overnight between dives +to stay at the same pressure [*]_. + +History +------- +I'm pretty sure `Jacques Cousteau`_ invented the aqualung, which is the basis +for modern diving, but I'll have to check. + +.. _Jacques Cousteau: /k/jacquescousteau/ + Flying ------ After a regular no-decompression dive, wait at least 12 -hours before flying or going to high altitude. \ No newline at end of file +hours before flying (or going to high altitude, eg over 300m). + +.. [*] Need a citation, heard this word of mouth diff --git a/Test of Features b/Test of Features index 8307c7d..81c1662 100644 --- a/Test of Features +++ b/Test of Features @@ -9,7 +9,9 @@ this wiki, or to make their failure obvious. .. image:: fig/bryanJello.jpg :alt: bryan with jello - :width: 100 + :width: 300 + +.. rubric:: LaTeX-Math this paragraph should contain a link_, an $\epsilon$ of inline math, and should be followed by a full-on equation. @@ -27,7 +29,7 @@ this is in a comment:: .. raw:: latex $$E = m c^2$$ -another attept at inline (:latex:`$\epsilon$`) followed by a full-on equation. +another attempt at inline (:latex:`$\epsilon$`) followed by a full-on equation. :latex:`$$E = m c^2$$` @@ -36,3 +38,25 @@ and as a directive: .. latex:: $$-1 = e^{i\pi}$$ + +.. sidebar:: A Digression + + There can be stuff over here! + +What do tables look like? They're a little messed up in LaTeX for now. + +======== ================ ============== +A Number A Number Squared A Number Cubed +======== ================ ============== +1 1 1 +2 4 8 +3 9 27 +4 16 64 +5 25 125 +======== ================ ============== + +.. warning:: + + The end is neigh! + +That's all? diff --git a/Topics of Curiosity b/Topics of Curiosity index e458622..9c4cd4e 100644 --- a/Topics of Curiosity +++ b/Topics of Curiosity @@ -10,14 +10,16 @@ Topics of Curiosity including signatories * Ethernet -* Banthic Biology +* Benthic Biology * Antarctica * Kyoto Protocol * Sensory Deprivation * Beat Authors * Harvey Mudd * National Science Foundation - And other US national science organizations + + And other US national science organizations + * Iraq War Strategy, costs, political figures, history, technology, prospects, companies, etc. @@ -43,5 +45,5 @@ Topics of Curiosity Bundled knowledge, regions, implementation plans, new software concepts, connectivity * Paul Dirac -* Latex +* LaTeX * vim diff --git a/fig/bryanJello.jpg b/fig/bryanJello.jpg old mode 100755 new mode 100644 diff --git a/reStructured Text b/reStructured Text index a8966fa..62ecf2c 100644 --- a/reStructured Text +++ b/reStructured Text @@ -11,6 +11,9 @@ exist to output HTML, XHTML, LaTeX, and several other formats reStructured text is closely tied to the python community and is used in the formating of PEPs. The most popular implementation is `docutils`_. +I also have a cheatsheet_. + .. _docutils: http://docutils.sourceforge.net/ .. _Git Wiki: /k/gitwiki/ +.. _cheatsheet: /k/restructuredtextcheatsheet/ -- cgit v1.2.3