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Why is the day exactly 24 hours long?

This has got to to be the best question so far, continuing in the questions for "evolutionists" series. It disappoints me such people don't even understand the shape and structure of the very local universe.

Darwinists, if Intelligent Design isn't true, then why is a day exactly 24 hours long?

If by Darwinist you mean biologists, then you're asking the wrong group of people. Try asking some astronomers.

A (solar) day is 24 hours long because we decided to break a day up into 24 segments for the purposes of time keeping. We could have just as easily broken it into 10 hours, or 100 hours. Or even 54 hours!

Nowadays however we know that a day isn't 24 hours long. A single day can vary by around 20 seconds depending on the location of the Earth along its orbit. When closer to the Sun near perihelion solar days become longer as the Earth is moving faster in its orbit and has to rotate further to bring the Sun back to the same position on the sky and vice versa. Over the course of a year it will average out to 24 hours, although due to the Moon the Earth's rotation is decelerating.

There's also the sidereal day to take into account which is the time it takes the Earth to rotate relative to the stars. This is truest gauge of how long the Earth takes to rotate. And it is 23 hours 56 minutes and 4 seconds.

Now if the sidereal and the solar day were the same, then maybe you could invoke an intelligent designer to explain why the Earth is a relatively nice place to live, as it would look a little different to how it is now, it would have either fallen into the Sun or remain in orbit with one side boiling and the other freezing while remaining tidally locked to the Sun.

Also, the sun reaches its highest point at noon every day. Why do Darwinists claim this all happened by 'accident' and deny this evidence of intelligent Creator?

The Earth rotates and is angled away from the Sun so it has be at its highest point at some time; we decided to call this the solar noon, which when the Sun crosses the meridian (an imaginary circle crossing between the poles angled at 90° to the local horizon). If by noon you mean 12:00 then this is false. In most countries solar noon will be sometime between 11:00 and 14:00 but due to how large time zones and the fact we like taking hours off and putting them on the solar noon and 12:00 are very rarely equal unless you're stood just in the right spot.

Biologists don't claim this happened by accident. Neither do astronomers. The solar system is a product of the laws of nature. It wasn't put into place as-is by some supernatural intergalactic dictator; it developed from a cloud of hydrogen and dust over millions of years. It seems to be you like using arbitrary names or systems that we came up with to describe the universe as evidence of a designer. The only designer it is evidence for is ourselves.

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Windows Live Messenger Wave 4 beta thoughts

I've been using the new beta version of Windows Live Messenger since its release last week. I was originally going to quickly blast out my opinions of it. But I'm glad I've waited the extra few days.

My first issue which didn't manifest itself fully until the weekend is adverts. Now I understand that Messenger requires a fairly substantial server backend to operate. But isn't this going a little over the top?

Conversation window in Windows Live Messenger (Wave 4)

Yes upon opening a Messenger chat window you get a banner add in the actual conversation. Note I did remove it for the purpose of this screenshot. You can close the advert, which I'm sure will generate more accidental clicks on the ad than leaving it open. To answer my question yes this is totally over the top.

The ad in the Messenger contact list view is unchanged from the last version, and with the new expanded social feature you get a bigger ad instead. I actually like the social view and think it'll be one of Messenger's most liked features (when Twitter support is enabled).

I'm also liking that it works properly with the Windows 7 taskbar now, previously WLM would spawn a weird icon in the taskbar with a non-existent window preview. Then if you had the contact list open it would show up as a second preview. Weird. The rest of the program seems nice and fast, ignoring the ads it also looks a bit cleaner. Tabbed conversations is also a nice improvement. I also like being able to have group conversations with up to 40 people now, up from 20 in the last version. Although you can't actually expand groups to see who's a member anymore. I suppose mainly for privacy reasons.

I'm still undecided on the new emoticons. So I'll give them some time.

I am concerned about the fact ink support has been erased, whenever I was on my tablet most of the time I would ink directly into Messenger. This feature being lost is in my opinion a substantial set back. I'd often draw things to get my point across.

All in all its a decent upgrade and I would recommend people check out the beta. It's pretty solid and doesn't seem to have broken anything else. From now until the final version I'd like to see the Messenger team think again about the advertising, how about removing all adverts for Xbox Live Gold subscribers eh? That'll provide some nice value-ad for those Gold subscribers who don't really need it, like myself. Oh and get ink support back please.

You can download it from the beta website and learn more about it from the Wave 4 preview website.

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"Magnified" lunar eclipse? I don't think so

The BBC last week ran a story on Saturday's partial lunar eclipse. I have no objections to the BBC coverage lunar eclipses, but I do have problems with non-science writers covering them.

Just a bit of background, for viewers in Asia and the Americas this lunar eclipse would have appeared while the Moon was near the horizon. The Moon is bigger near the horizon right? Kinda.

The article of the title was "Lunar eclipse 'magnified' in US". A pathetic attempt at trying to make it seem more interesting. The article went on to say:

A partial lunar eclipse taking place on 26 June will appear magnified in the US by an effect known as the "moon illusion". [...] According to Nasa, low-hanging Moons look "unnaturally large when they beam through trees, buildings and other foreground objects". The reason for this is not understood.

NASA huh, well you could have just asked your local amateur astronomer and got an answer. The reason for the effect is NOT unknown.

The Moon, or the Sun for that matter (please don't look directly at the Sun), do look larger when they're near the horizon compared to high in the sky. However you can take a simple measurement to show they're the same size regardless of where they are in the sky, about half a degree across.

The effect is an optical illusion created by our brains. Our brains use other objects to estimate the size of things. Trees and houses, things you'd see on the horizon are pretty big. The Moon looks like it's close to them and about the same size or bigger, so hmmm the Moon must be big too. When the Moon is off by itself high up in the sky we have nothing else to compare it to.

Effect not unknown.

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Windows Live Essentials Wave 4 beta up

It's not yet appearing on all of Microsoft's websites yet, but here's the URL: http://explore.live.com/windows-live-essentials-beta.

Enjoy.

First impressions, setup is much better. Glad I don't have to see that woman grinning into her coffee anymore like with Wave 3!

Update: replaced direct download link with the official webpage.

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Clearing up storage confusion with Live Mesh and Live Sync

Last week Microsoft formally announced Windows Live Sync, the new version of which is based on Live Mesh. Live Mesh gave users 5GB of cloud storage to which they could sync data to. As well as near-unlimited data transfer between PCs.

The new Windows Live Sync, based on Mesh continues to offer most of the functionality that Live Mesh provided, bar the Live Desktop which mimicked the PC desktop as a way to offer data currently stored in the cloud which was removed as well as a few other little things here and there.

Since Live Mesh was introduced back in 2008, it sat competing with the then primitive Live Sync which only offered PC to PC synchronisation. Live Mesh was no question the better of the two so it's no surprise it is being used as the basis for the next version of Live Sync. Through Windows Live, people get 25GB of cloud storage on SkyDrive. An obvious move going forward would be to unify the Mesh and SkyDrive storage. That's basically what they've done in this release.

But you can only store 2GB of synchronised data to SkyDrive. Why?

Microsoft cites cost. Everyone shouts bogus, saying they're giving people 25GB anyway. What people aren't getting is it's really hard to fill up 25GB of space when you upload through a website or through Office, with a maximum file size of 50MB. I keep a copy of my entire picture library up there and I'm only using 6GB of it and I'm probably the top 1% of SkyDrive users.

Yet if you had folders on your computer that are set to automatically synchronise in the background to SkyDrive, that 25GB would start filling up really fast. And that would be dramatically more expensive than the current state where I'd guess the average SkyDrive account has a few megabytes of storage being used.

Give it time and no doubt Microsoft will increase the amount of synchronised storage. Sure it's a bit of a bummer that Mesh users have to downgrade to 2GB. But this isn't some geeky toy like Live Mesh was. This is a consumer product that will be installed on hundreds of millions of machines. That equals a lot of hard drives in the cloud, and that isn't cheap.

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iPhone 4 can't keep up, looks dated compared to WP7

So Apple announced the iPhone 4 earlier this week. Jobs proclaimed it was the biggest upgrade since the iPhone came out. To which the Apple fanboys cheered. Perhaps somewhat exposing how disappointed they had been by the iPhone 3G, which added 3G support bringing the iPhone up to the same level as smartphones that had been shipping for years prior. And showing how lacklustre the iPhone 3GS was which was the same thing, only a bit faster.

Essentially the form factor is the same. The huge ugly bezel is still present, and with the design of the sides being a bit more chunky it is only going to feel more like a brick. They've finally added a front facing camera - again a feature that shipped on original 3G phones back 5 or so years.

Most importantly they have increased the screen resolution. Anyone who had used any Windows Mobile phone back when the iPhone first came out saw instantly how low resolution the screen on the iPhone was. They've finally caught up with the old Sony Ericsson Xperia X1 in having a display over 300 DPI. So that at least puts them up with 2008-era screens.

However the screen is the same size, 3.5 inches is pretty average nowadays. Most high-end smartphones today offer larger screens without making the handset larger by having a smaller bezel and having more of the phone taken up with screen. Also disappointingly it is the same old 4:3 aspect ratio, when other smartphones have been shipping with widescreen displays for a couple of years now as the standard.

Here's the iPhone next to the HD2. The HD2's screen is almost an inch bigger, yet the device is only slightly larger. You can really see how much space is wasted on the iPhone. Look at all that black empty nothingness top and bottom of the screen.

iPhone vs HD2

The HD2, or the Nexus One or the Desire etc show how a smartphone should be done. The front surface of the phone should be as much screen as possible.

The other much touted new feature is video calling. Yes, apparently the old iPhone didn't support that along with dozens of other features that other phones support. Worse yet it only does video calling with other iPhone 4s and you need a Wi-Fi connection. Apple blame this on mobile providers. Despite the fact the first generation of 3G phones supported video calling. Apple of course in their attempt to get mindshare give this feature a hip name FaceTime. Amazing. Once again Apple are attempting to re-write history, and too many people are letting it pass.

More importantly as Microsoft showed some newer builds of Windows Phone 7 at TechEd this week and announced that some developers (on a case by case basis) would be getting their hands on Windows Phone 7 devices next month for free. It is becoming painfully obvious just how out of date the iPhone is looking compared with WP7.

Here's the AP application running on an iPhone, and underneath an AP application running on WP7.

AP Mobile on iPhone
AP Mobile on Windows Phone 7

The screens really don't do it justice so here's the video:

In my opinion the iPhone definitely looks dated in comparison. Steve Jobs' little features here and there aren't going to make up for it. iPhone applications just look stale.

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