My blog, my thoughts and my musings!

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Rediscovery of Knee Ligament Validates 19th Century Paper

Doctors have discovered that an important knee ligament, first described in an 1879 paper, before being subsequently ignored for well over a century, is actually a very real and important body part.

Anterior cruciate ligament (ACL) tears are a common problem for many athletes. They are notoriously difficult to repair and the recovery is a tough and painful process that can take up to a year. Following treatment, however, many patients still complain of aches and pains and it is not at all uncommon for the joints to fail the necessary pivot-shift tests (performed so the doctors can check the success of their surgeries). Repeat injuries are also inexplicably common. Continue reading

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What Does a Live Performer Hear in their Earpiece Whilst Performing?

(Asked by Ahmed from Nottingham)

I’ve been in a few bands myself, but none of them ever got big enough to warrant anything as extravagant as an earpiece, so I can’t answer your question from personal experience.

I do remember doing one gig where the guy in charge of the mix (who’d made his name mixing for a very famous David Coverdale-fronted 80’s rock band) flat-out refused to let us do a soundcheck, assuming that all the bands featured on the show, no matter what style of music they played, could all be mixed the same way. Maybe that’s the reason that particular David Coverdale-fronted 80’s rock band never made it into my record collection…But, whatever, I digress… Continue reading

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Western Black Rhino Officially Declared Extinct

The western black rhinoceros, a subspecies of African black rhinoceros, has officially been declared extinct by the IUCN (International Union for Conservation of Nature) this month.

The announcement marked a sad day in history for anyone concerned with conservation or the wellbeing of our natural world.

Despite the news sending media shockwaves around the world, the first proclamation of extinction was actually given in 2011 by non-profit organization ‘Save The Rhino’, however, this was not considered official, so some conservationists still held on to hope. Sadly, as of 2006, the IUCN had stockpiled enough evidence to declare the western black rhino extinct, but the group usually waits for five years before making an official announcement, just in case a living specimen is spotted or discovered alive. Continue reading

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what are mp3 audio files

I am a vinyl fan. You’ve never heard of most of my favourite bands, and if you have, you won’t like them. Modern music leaves me extremely cold. I’m a fan of most styles, but the current production methods (lets bury everything under a million layers of random sounds just because we can, then we’ll get rid of all background sound and make everything pitch-perfect and soulless) are lost on me. 

As you can imagine, I came to MP3 rather late. For the longest time I wandered around with a portable CD player in my pocket that skipped if I moved even a step too fast. It ran on batteries that would run out regularly and was, generally, a pain. However, I persevered with it because I’m a compulsive music addict. The rock, blues, folk and reggae tunes I listen to daily are the soundtrack to my life.  Continue reading

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‘Batman & Son’ Movie Trailer Released

Warner Bros. and DC Entertainment have released a trailer for their upcoming animated feature ‘Son of Batman’. The film will be an adaptation of the 2006 story ‘Batman & Son’, which was written by Grant Morrison and drawn by Andy Kubert.

The comic story deals with the introduction of Bruce Wayne’s son, Damian Wayne, who also happens to be the grandchild of Batman’s nemesis Ra’s Al Ghul. The original story was published in Batman issues 655-658 and proved to be somewhat polarizing amongst the DC Comics fanbase. Continue reading

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The perfect walkie talkie for the fast paced world, we go through the SL4000 radio

There continue to be an ideal many jobs that require two way radios instead of phones. Any time you’ll want to make contact with someone, clearly and rapidly, you’ll be focusing on a radio over a mobile. Also, for ensuring that everybody has access to the same transmittion and that they’ll always be contactable, a two way radio is certainly the way to go. From working as the bouncer, to working on a building site, from site work to military manoeuvres, walkie talkies are an indispensable part of many working environments.

The leading two way radio brand name is Motorola, so, with that in mind, we have great expectations for this SL4000, let us see how it presents.


The Motorola sl4000 is designed with discretion in mind. Tiny, slim, sleek and lightweight, this radio device is great for speaking with others, quietly and unobtrusively. It weighs the equivalent as the standard smart phone.

However, regardless of its petite build, the SL4000 is a very commanding two way radio, able to transmit and receive over a surprisingly broad range. Because of this, it’s clear that this 2 way radio is best suited to utilizes like airports, motels, security, hospitality and anyplace else that a large, armed forces style two-way communication is perhaps a little bit clear for the tasks at hand.

It also is included with built-in Bluetooth, a special ‘covert mode’ and smart audio.


It’s certainly not the lowest priced 2 way radio on the market. However, it has been created specially for business use and will be judged on those virtues. The Sl4000 radio is most definitely not just a ‘hobby’ radio, nor is it a radio that is meant for amusement in any way. This is a dependable, top of the line radio that has been created for hotel/airport/security/public service staff and has spared no expense in the process. The cost is what it truly is, but you will get what you pay for.


The first thing we noticed concerning the SL4000 is just how smart it really is. We were set for a pleasant, little walkie talkie, obviously, however it really is a surprising design. In reality, at first glance, you could easily mistake it for a circa-early 2000’s phone.

The Motorola sl4000 has a amazing array of connectivity options, including a USB port for programming and charging, in addition to an choice to charge upright inside a charger, or simply disconnect the battery and charge it independently. The battery alone, by the way, is only slightly larger than a mobile phone battery.

The screen is crystal clear and a cell phone-style menu screen allows you to choose your particular talk group. In reality, there is a menu screen for just about everything, it is clear that this is a more urban, more cosmopolitan two way radio than nearly all of its peers. It will even create ‘text messages’.

The audio quality is very good certainly (even using the miniature speakers) and you’ll have no problem communicating between this and some other radio device.

The only downside we could find is that it only handles digital, not analogue. Still, that really is not the end of the world lately, is it?


This walkie talkie could be a very bad option for ‘Operation Desert Storm’, but as a more unobtrusive, contemporary style of radio, it is perfectly suited to the purposes that it is intended.

Sophisticated, modern, tidy and completely smooth to operate, the Motorola sl4000 is a genuine winner. This is a bit like the supple younger sister of that DP3600, cooler, smarter, sexy and downright charming – an incredible product and a substantial step forward in urban radio technology as well.

Once again, Motorola supply a fine product, but this time it is a little far from their typical fare. Still, they thrive with aplomb, creating what’s quite possibly the very best model of its type around.