Part 14 of elf's Apple PowerBook G4 Journal
Earthview
![](images/earthview_thumbnail.png)
Earthview is a nice little
program that displays the earth from orbit and updates the rotation
in realtime. I don't know if the clouds are actual or simulated. The
only suggestion for improvement I have, is to make it
scalable.
Applestore Downtown
The Applestore scheduled to open in the Eaton Centre will have the grand opening this Saturday, May 6. I may wander through the Eaton Centre today and find the store location, on my way up to HMV to order a copy of The Marriage of Figaro (Réné Jacobs, dir. on the Harmonia Mundi label) for my Dad.
Update Tue May 02 18:43:43 2006: Walked through the Eaton
Centre and couldn't find the store. I missed it because I started at
the ground level on the queen street side walked North to Dundas;
according to TUAW, the store is on the upper level on the Queen
Street side.
New Apple TV Ads
I'm a PC; I'm a Mac.
Get a Mac ads— Viruses, Restarting, Better, iLife, Network, WSJ.
Update Tue May 02 18:43:11 2006: My favourite Ad is the Networking one. Oh, yeah. I posted to #nihongo asking for a translation.
Update Wed May 03 13:34:38 2006: She asks, "Is Darian like
nerd?".
Official Eaton Centre Queue Information
Eaton Centre will allow fanatics to queue overnight for the Eaton Centre Applestore grand opening.
Any chance of seeing me there? I don't think so. Do I look like an Mac
Weenie™ to you?.
NAB Demo Reel
A beautifully edited demo
reel showing-off Final Cut Studio; the soundtrack is a peppier
version of "Hush" by Deep Purple. I had to upgrade iTunes/Quicktime
on my PC workstation to watch it— well worth it! I know the
difficulty of choosing good background music and Apple always picks
the best.
Hebrew iPod
Yesterday's Report on Business had an article about how Yinon Yamin, an Israeli student from Ben Gurion University, modified the iPod's firmware to display Hebrew and made the patch freely available on his website. Even though there were other patches that did the same thing, Apple chose his implementation, as it was closest to what Apple engineers were working on internally, and paid Yamin a small fee and made the download officially available from the Apple Israel site. The only requirement Yamin had for Apple was the the software remain freely available.
A Google search shows that this is a rather old story
(Sep. 2005). Hmmm.
A Touch of Evil
A policeman's job is only easy in a police
state.
—Vargas, “A Touch of Evil”
An excerpt from, “The Big Discooooonnect” an article in the April 23, New York Times Magazine about China's censorship of information available on the Internet, or more like China's requirement of self-censorship for all Internet companies:
I expected Zhao [a blogger whose MSN blog, located on U.S. servers, was shutdown by Microsoft after an informal request by China; Microsoft archived the blog to CD and informed him that they would send the CD to any address in the U.S.] to be much angrier with the American Internet companies than he was. He was surprisingly philosophical. He ranked the companies in order of ethics, ticking them off with his fingers. Google, he said, was at the top of the pile. It was genuinely improving the quality of Chinese information and trying to do its best within a bad system. Microsoft came next; Zhao was obviously unhappy with its decision, but he said that it had produced such an easy-to-use blogging tool that, on balance, Microsoft was helping Chinese people to speak publically. Yahoo came last, and Zhao had nothing but venom for the company.
"Google has struck a compromise," he said, and compromises are sometimes necessary. Yahoo's behaviour, he added, put it in a different category: "Yahoo is a sellout. Chinese people hate Yahoo." The difference, Zhao said, was that Yahoo had put individual dissidents in serious danger and done so apparently without thinking much about the human damage.![]()
Eaton Centre Applestore T-Shirt
Searching Flickr this morning so see if anything was available. I found a picture of a T-Shirt with the Apple logo and the words "Eaton Centre" on it— no caption— and a picture of a tall rectangular white box sealed with grey tape decorated with a white apple logo— no caption, again.
Update Sat May 06 21:53:01 2006: deeveepix has a Flickr
set for the Eaton Centre Store opening.
Sigmund Jobs
At the center of Freud's work lies a fundamental perception: human beings are not generally unified creatures. Our psyches are not whole, but divided into parts, and those parts are usually in conflict with one another.
—Mark Edmunson, Freud and the Fundamentalist Urge
![](images/freud_thumbnail.png)
In The April 30, New York times Magazine, there is an article, by Mark Edmunson, about Sigmund Freud's later works on the topic of politics and tyrrany. It explains the three parts that make up the human psyche: the id (or the "it, an agent of pure desire"); the superego, or the "over-I, the agent of authority"; and the "poor ego, trying to broker between the it and the over-I". The article continues:
Humanity, Freud says, has come up with many different solutions to the problem of internal conflict and the pain it inevitably brings. Most of the solutions, Freud thinks, are best described as forms of intoxication. What the intoxicants in question generally do is to revise the superego to make it more bearable. We like to have one glass of wine, then two, Freud suggests, because for some reason— he's not quite sure what it is in scientific terms— alcohol relaxes the demands of the over-I.
Falling in love, Freud (and a thousand or so years of Western poetry) attests, has a similar effect. Love— romantic love, the full-out passionate variety— allows the ego to be dominated by the wishes and judgement of the beloved, not by the wishes of the demanding over-I. The beloved supplants the over-I, at least for a while, and, if all is going well, sheds glorious approval on the beloved and so creates a feeling of almost magical well-being. A divided being becomes a whole, united and (temporarily) happier one.
Steve Jobs understands this conflict and he uses his Reality
Distortion Field as the intoxicant which causes me to refer to my
Powerbook as my beloved mathilde.
Bricksmith
Bricksmith
is an application for creating LEGO models in three dimensions. This
will come in handy when I re-do the instructions for building a LEGO abacus which were originally
created using FrameMaker.
XNU vs. Linux
There have been recent mutterings/rumours about Apple
dumping the XNU kernel and switching to the Linux kernel after the
departure of Avie Tevanian, a proponent of micro-kernels. Why is
everyone suggesting that Apple switch to the Linux kernel and not the
FreeBSD? I don't know. I decided to see if Google Scholar had any papers
comparing micro-kernels and monolithic kernels. I found, “The
performance of μ-kernel-based systems”.
Process Limits
It seems OS X has a rather conservative limit on the total number of processes each user can run— 100. Of course, there are ways around this. At this moment, ps aux | wc -l, returns 67 on mathilde.
Had an extremely busy day today customizing Gnome on Fedora Core
5. During lunch I played with DVDrip (Perl based DVD ripper for Linux with a
GTK front-end). Spent about and hour figuring out how it works
compared to 5 minutes for MacTheRipper. 4.7GB rip took about a
30-40 minutes on a 3GHz P4 Dell.
Security Update 2006-003
Security Update 2006-003 released by Apple includes patches for ImageIO, Finder, Keychain, Flash Player, FTP server, CoreFoundation and other vulnerabilities. There goes my 27-day uptime.
Update Fri May 12 14:58:53 2006: On #emacs, <lucca> after
installing security updates on macosx, copy doesn't replace clipboard
contents anymore, cool. Thanks, apple. Lovely.
CSS Paradise
![](images/yahoo_thumbnail.png)
Yahoo has made available a set of CSS templates that can be combined
to generate up to 100 different combinations of page layouts. Woohoo!
(or rather, Yahoo!).
Revolution In the Valley
Andy Hertzfeld discusses the publishing of his book,
“Revolution In the Valley”, in this Google Video.
He mentions that the woman who threw the hammer in the
“1984” TV commercial died of breast cancer 5 years
ago.
Movie Time
Full-screen Quicktime without paying Apple $30 to unlock the Quicktime
Player, courtesy Movie
Time. So they say; I haven't tried it.
Inside AppleCare
An ex-AppleCare employee reminisces (the actual site has been slashdotted, this is a link to a copy of the article) about his days working the phones. He talks about the good, the bad and the ugly side of AppleCare.
After my single (great) experience dealing with AppleCare, the
impression I was left with, and confirmed by this article, was that
these individuals work in a very, very relaxed
environment.
Canadian Census
![](images/canada_thumbnail.png)
I went to fill-out the 2006 Canadian Census only to be told that I have to use Safari on my Mac. Is it conceivable that the Government of Canada is ignorant enough to believe that Mac users only use Safari and that no one uses Linux? Why is a particular browser in combination with a particular OS such a strict requirement? What about Opera and Camino? Both capable browsers and yet disqualified because of pure ignorance.
You cannot imagine how upset this makes me. I can understand if this was the U.S. but this is Canada— land of diversity where all varieties of peoples with various views and opinions are welcome. Clearly this is not the case. Why must people suffer because of ignorance?
Update Mon May 15 06:29:10 2006: Statistics Canada are
actually allowing
Linux submissions, "With the addition of this new operating
system, the capacity of the Census Help Line operators to respond to
technical calls from open source users may be limited. However, we
expect this will not be a major obstacle for the vast majority of
these users." I am completely, and utterly surprised!
Bricksmith LEGO Abacus
![](images/bricksmith_thumbnail.png)
LEGO abacus model on Bricksmith— the main window and the 3 sub-windows; the parts catalog at the bottom and the step editor on the right.
I spent this weekend modelling my LEGO abacus in Bricksmith. My biggest frustration was choosing the parts from the library because first, I didn't know the formal names so i had to browse through entire libraries and second, the database does not realize that a "1x12 brick" is the same as a "12x1 brick" is the same as a "1 x 12 brick".
Overall, it's a nice package that could use a few improvements:
- on first start-up it should display the help tutorial (it's impossible to use it out without reading the tutorial)
- the x/y/z axis should be displayed in the main window
- the selected view orientation names should be displayed in each window
- there should be a quick way to reset the views (after rotations) without have to use the
menu.
Security Update Breaks SMARTReporter
SMARTReporter crashes on startup in CoreFoundation. Bah! Downloaded
latest version (2.1.5)of SMARTReporter and
we're back on the air. Phew!
21:49 up 14 mins, 3 users, load averages: 0.77 0.84 0.59
Creative Sues Apple
The creators of the original mp3 player, the Zen, have sued Apple for interface patent infringements. It's difficult to believe that the iPod wasn't the first; in fact, it was dismissed by the Slashdot crowd when it was first introduced in 2001.
Update Fri May 19 08:31:27 2006: Apple countersues
Creative.
AppleStore is Down— MacBooks
![](images/macbook_thumbnail.png)
As reported on #macosx, the AppleStore is down (has been down since
8AM). It's Tuesday. I predict MacBooks.
Introducing the superfast, blogging, podcasting, do-everything-out-of-the-box MacBook.
Update Tue May 16 08:39:57 2006: It's up! They come in black (blackbook) and white (whitebook). 13 in. screen with 64MB of shared video RAM with an integrated video chipset. If it's possible to be simultaneously overwhelmed and dissappointed, this is it. How long does the battery last?
Update Tue May 16 12:51:22 2006: "MacBook offers up to 6
hours of battery life. (2.5 hours of DVD playback, 3.5 hours with
wireless turned on.)"
MacBook Fallout
The major complaint on #macosx seem to be about the Intel GPU that
shares 64MB of main memory; the second-most popular complaint is
about the weight. It was also noted the the Blackbook comes with a
white remote, not a black one. Also, people don't think that paying
$200 for the black one (with a slightly bigger drive) is worth it.
RAW Images
Dave Shea has a great post
that very simply, using 3 different images of the same sccene, shows
the benefits of shooting RAW images.
Photoshop Elements 4 Review
Giles Turnbull reviews
Photoshop Elements 4; the workflow is rather different than
iPhoto with high marks being given to Adobe Bridge image management
application.
Ooooh! Look! Shiny Object!
Glossy displays have effectively taken over the
entire laptop market. Why are they so popular? ... People are
idiots.
—John Siracusa
John Siracusa makes
his point about the glossy MacBook screens.
Checkpoint Charlie
According to this article on Ars Technica, the latest Security Update wreaks havoc on MBPs, especially if you have Photoshop installed. All the more reason why OS X should checkpoint itself so you can back-out of patches that render your very expensive Mac, completely impotent.
Either Steve Jobs doesn't have a MBP (no problems reported with
iMacs) with Photoshop installed or he hasn't installed Security
Update 2006-003 on it, or he's waited for some unsuspecting, and
trusting guinea pig to test it out for him and ensure it works,
before he installs it.
Fear And Desire
After the MacBook release, yesterday morning, a few people kept wishing they could afford to buy one or sell their "obsolete" Powerbook and buy a Macbook; I kept responding with, "the cause of all suffering is desire", Sideshow Bob quoting the Buddah.
In Starwars: Episode I, there is a scene where the young Anakin is brought before the Jedi council where he denies he is afraid. Then Yoda warns him the one of the most famous quotes, "Fear leads to anger; anger leads to hate; hate leads to suffering."
So it seems that both fear and desire lead to
suffering. If one considers fear and desire to be complete opposites,
isn't it strange that they both lead to the same result?
Klosed Kernel
Tom Yager is reporting that the OS X kernel source code for Intel x86
is not available for download from Apple's developer site. The reason
that Apple gives is that the state of the Darwin kernel is "in
flux".
MacBook Count on #macosx
Five people on #macosx have ordered MacBooks (and have publically declared it); the average wait for the order to arrive is 5 days. This higher-than-usual acceptance of new Apple hardware than previous seen, is likely due to the affordable price of a Macbook (just over $1000). I expect the price to drop by $100 in a few months.
Update Thu May 18 17:32:15 2006: The count drops down to
four as one order is canceled for the reason that for an additional
$600 he could have had a MacBook Pro without waiting 2 weeks for the
order to arrive.
NYC AppleStore
![](images/nycapplecube_thumbnail.png)
![](images/nycapplestore_thumbnail.png)
The New York City Applestore opens this Friday. Flickr
gallery of the cube being unveiled at night. It will be open
24/7; 2500 free T-shirts given away at the opening and one MacBook
every hour for a few days.
Update Thu May 18 14:29:00 2006: A preview from inside the store.
Update Mon May 22 11:51:28 2006: Apple's gallery.
Man Handler
Similar to xman, Man
Handler is an AppleScript based front-end for reading Unix Manual
pages writting by the mysterious Nitewing.
Giving it a try.
Spewcifically
I (accidently) coined a new word today—
"spewcifically"— “when you say "it fails", what happens
spewcifically?” in reference to a command working on a
command-line but not when run from cron.
I'm on a roll today— “DoubleCommand: when your fingers can't "think different".”
MacBook Reviews and Benchmarks
The ever-reliable Macworld had the first review of a MacBook (with OS X installed and another review with Windows/XP installed) and benchmarks of the new Macbook.
Update Fri May 19 14:22:04 2006: Ars Technica's review of
the MacBook with benchmarks.
MacBook Dissection
Kodawarisan takes apart
a MacBook.
Idle Temperature
According to the Ars Technica usage
review, "63°C is the idle temperature of the 2.0GHz MacBook in my
possession." My Powerbook idles at 46°C. If you buy a MacBook you
better be prepared to pay higher utility bills bout for the higher
consumption of the MacBook and for the air-conditioning to keep your
lap cool.
Intel Stock
In other news, Intel stock drops to a three-year low because of gains by AMD:
Intel has traditionally had a massive advantage in market share, with 83.13% compared to AMD's 15.14% of the U.S. retail market for notebook PCs in April 2005, not counting sales by Dell or Wal-Mart Stores, according to a survey of national retailers by Current Analysis.
By April 2006, that lead had nearly vanished, with Intel at 54.71% compared to AMD's 44.66%.![]()
The MacBook Pro is NOT a Laptop
For prolonged use, place your portable computer
on a flat stable surface. Do not leave the bottom of the computer in
contact with your lap or any surface of your body for extended
periods. Prolonged contact with your body could cause discomfort and
potentially a burn.
—MacBook User's Guide
From a May 19 posting by <Voodoo Murphy> on the Apple discussion forum:
I have a Macbook Pro, and my wife and I drove home from Disneyland yesterday. She had the MPB on her lap and was watching a movie from the hard drive. It got hot enough to actualy burn her leg.
http://img210.imageshack.us/my.php?image=img12579et.jpg
I call Applecare this morning, they facilitate a repair by sending me a box... and John (the Specialist) actually said "In the manual, it says that the device shouldn't be placed on your lap." Granted the guy apologized for it getting hot, or as he said "overly warm", but holy crap! To actually try and blame us for this unit getting hot enough to HURT someone is ridiculous.
I've got all the usual problems. The whine, the heat, the random rebooting..... but it's my fault that I didn't read the manual.
They say you should always use it on a flat surface, well I have an Antec cooler with 2 fans and it still runs hotter than ****.
I'll keep you guys updated.![]()
Thermal Paste
![](images/thermalpaste_thumbnail.png)
Jonathan sent me email noting that the hot Macbooks are a result of
production errors in applying the thermal paste to chips on the
MacBook. Several
sites have documented
this and shown that applying the thermal paste properly and in
conservative amounts, bring the temperatures down appreciably.
Update: see below.
2001 Themed Icons
A set of icons
using the movie, "2001: A Space Odyssey" as a theme.
Finder/Terminal Interactions
If you've ever wanted tighter interaction between the Terminal and
the Finder, there is a collection
of scripts that makes this possible.
iPod/iTunes Usage Stats
Paul Lamere has an analysis
of iPod and iTunes usage statistics based on information uploaded to
the iTunes Registry. The most interesting statistic is that 64% of
the songs on the surveyed iPods are never played and that only 23% of
songs see active play. He concludes that as simple as the iPod/iTunes
interface is, it doesn't allow a person to manage a huge library of
songs.
Victoria Day
Today is a holiday— Victoria Day, named after Queen Victoria;
also called the "May Two-Four Weekend", named after a case of 24
beers. Traditionally, Canadians go north to their cottages and open
them in preparation for the coming summer; boats are taken out of
storage and launched, and there are fireworks in the evening (and
accompanying fires and injuries because the idiots have been drinking
all day).
Another Macbook Review
Another new
Macbook review, by John Waller, with lots of (flash) photos.
Interesting that he has had so many problems with the latch on his
Macs. (I remember that the hook latch of the early (Rev A) PowerBooks
had problems and that the lids would pop-open.
New Favicon
I made a new favicon using the image of the Powerbook on the main
page of my Journal. I converted the GIF to a PNG in Photoshop
Elements and used png2ico
under Windows to generate the ICO file.
Mac OS X Internals
![](images/osxinternals_thumbnail.png)
Amit Singh's book, Mac OS X
Internals will be released August 11th (the last day of the 2006
Apple WWDC). Looking forward to the book.
Alternate Reality
What if Apple didn't switch to Intel but instead waited for the PA Semi successor to the G5, running at 2GHz and consuming 5-13 watts?
Is Apple still committed to Intel Only? Is there no hope of it
ever shipping PPC-based
computers? Will the Woz buy an Intel-based computer?
Flash Drives
Samsung's new computers have flash
drives only; the first model will ship with a 32GB disk. There is
also a new hybrid drive where the flash (a few hundred MB) caches
disk accesses, allowing the mechanical drive to be shut-down to
conserve power. The drive also has the ability to store the boot data
into flash thus reducing boot-up times (currently only Vista supports
this). My essay, “Time”,
was about instant-on computers.
Google Video Ads
The Wall Street Journal is reporting that Google Video Ads are coming
soon to a browser near you. Google makes money when you click on the
ad to watch it.
100 Dollar Laptop Protype
One of the first prototypes of the $100 laptop was shown. Please try not to get too upset at the HP craptop with the Apple stickers.
USB Turntable
The Register has a review of a turntable that connects to the PC via USB and that can be used to digitize your entire collection of precious vinyl records. It ships with Audacity, the free multi-platform audio waveform editor. Very nice.
Screensavers
JWZ has released Xscreensaver the X11 collection of graphics hacks and now includes a port to OS X 10.4 (bleah!). Over the holiday I also found ports of four classic Windows screensavers: Fieldlines (meh), Helios, Hyperspace (nice, but cpu intensive) and Skyrocket (WOAHHHH! Very cool! Even has sound effects; it looks better with the ground switched-off)— and these screensavers work with 10.3.9.
Logs
Panther logs system stuff in /var/log/system.log and console gets logged in /Library/Logs/Console/, there's a directory for each user.
Tap
A movie on YouTube shows the LCD screen of a Powerbook being tapped to change desktops. The Register linked to the code to do it— it's a python script interfaced to Amit Singh's amstracker with an AppleScript to send a key-sequence to SystemEvents to change desktops or whatever else you may want to script. There seems to be some dispute whether the virtual desktop manager he's using is Desktop Manager or Virtue. I suspect it's Virtue as the site is down at the moment.
Bump!
I modified the script to tell the Finder to display a dialog as I don't have the Desktop Manager and it worked! Here are the steps:
- Create a folder called "Bump"
- Get amstracker and store it in the "Bump" folder
- Download bump.py and store it in the "Bump" folder (call it bump.py, of course)
- Open a Terminal and cd Bump
- type: ./amstracker -u 0.1 -s | python bump.py
- Hide the Terminal with Cmd-H
- Tap the side of the LCD
- Dialog with "Bump!" should appear
Nike+iPod
![](images/vasque_thumbnail.png)
The reason I didn't mention the Nike gizmo that counts your steps and wirelessly beams them to an iPod Nano, is that all I ever own is one pair of Gortex-lined Vasque Sundowner hiking boots— all-season, all-weather, all-terrain. I am a nerd; I do not jog. I walk a total of 80 minutes per day during my commute to work.
What will be interesting to see is how people hack these gizmos and get them to do more nerdish things.
The Thermal Paste Question
MacDevCenter has a detailed look at the MacBook's thermal paste application and the affect on temperature. The conclusion: 2°C difference in temperature between a Macbook with factory-applied paste and a "fixed" MacBook.
Mac Pro
![](images/rosa_thumbnail.png)
Mac Pro represents "the big guns". These machines are not toys, they are for Real Work™— editing films that you and I pay to see in the theaters, editing photographs that you and I drool over in magazines and mastering CDs that I will unlikely hear, as my tastes in music are extremely narrow and refined (currently enjoying music from the Elizabethan era: Heart's Ease pieces by various composers performed by Fretwork, Pièces de viole du troisième livre by Marin Marais and performed by Jordi Savall et. al and Rosa: Elizabethan Lute Music performed by Christopher Wilson). And yes, late on Friday nights, to escape the stress, the Pros will play a few rounds of Quake Wars at tremendously high, and enviable frame-rates rendering near-perfect worlds.
Neom's Macbook Blog
Neom, a fellow-Canadian, got his Macbook delivered and began blogging about it. From his photos it looks like the screen is bright enough to be readable in direct sunlight.
Screen Polarizer
And the light shineth in darkness; and the
darkness comprehended it not.
— John 1:5, KJV
The Register has a review of 3M's Laptop Privacy filter that makes the screen readable only by those sitting directly in front of it and completely opaque to those shoulder surfing.
There are many people using their company-supplied craptops on the train commute (and I have only seen 3 Macs in the entire year I have owned my Mac) and typically people are actually doing something work related; the odd time, someone is playing Solitaire.
Update Mon Jun 05 16:05:49 2006: anonymized #macosx conversation:
<tom> anyone used the 3m privacy filter on their macbook? <alice> I haven't even heard of it. [14:35] <harry> you have to look directly at the screen to see anything <tom> so I can view pr0n on the bus or plane, geeze. <tom> 'course I should probably invest in headphones too. <alice> lol [14:36]
MacBook EFI
The EFI on Intel Macs is not accessible unless you install the Sample Implementation from Intel; Nak shows the way.
Blind Search
Prithee, go in thyself; seek thine own
ease.
—King Lear, III.iv, William Shakespeare
How do you find something quickly if you can only hear what you're searching for? In other words, is there an optimal way of finding a particular song on an iPod Shuffle, given that the device doesn't have a display? Peter Norvig has an answer, or rather, the algorithm, "using randomness to solve a deterministic problem faster than you could without randomness".
JPod
![](images/jpod_thumbnail.png)
In 1995, Douglas Coupland's book “Microserfs”, anticipated today's, "technologically sophisticated but socially alienated", society. His new book, “JPod” is an enjoyable re-hash of his 1995 book according to David Itzkoff's creatively written review in last Sunday's NYT Book Review. The review begins:
The unavoidable destiny of any franchise is to disappoint its dedicated customer. A long-running televsion cartoon satire on the nuclear family devolves into repetition and self-parody... A beloved sci-fi film epic is revealed as a promotional vehicle for crude merchandise and empty pop philosopy.
Just brilliant writing.
Dr. Who
![](images/drwho_thumbnail.png)
I stumbled upon the BBC's Dr. Who website where I found many ebooks (I have read the first chapter of “The Well-Mannered War” by Gareth Roberts, video clips, photo-novels and other things to keep the fan entertained for hours.
My favourite Doctor is the Tom Baker incarnation and my favourite assistant is Romana, played by Lalla Ward— she was both pretty and intelligent enough to match wits with the Doctor, unlike most of his other companions which only existed as the writer's device to ask a question so the Doctor could explain the plot to the audience. I have to also admit a fondness for the Jon Pertwee incarnation of the flamboyant Doctor and his cute assistant, Jo, and their adventures with UNIT and Brigadier Lethbridge-Stewart.