Red Hot Hell Fire ResearchNo other country on Earth has more bushfires than Australia. Bush fires spread quickly destroying everything in their path and they are extremely difficult for fire brigades to control. At the CSIRO in Yarralumla, researchers are using their Pyrotron – a combustion wind tunnel – to provide them with a unique insight into how fire behaves in the Australian bush. Continue reading Fanning the Flames with the Pyrotron – Act of God?
IrreversibilityA friend of mine once casually asked me over a drink: “What is entropy?” Eeek! Interesting concept. But… How do you define entropy in a non-mathematical way? How can you sum up entropy in 30 seconds? In one mental image. In a single concept… In one word. A form of energy? A measure of disorder in the Universe? Randomness? All of the above? Tricky question. And then, I dropped my glass… Continue reading Thermodynamics and Entropy – Our Irreversible Universe
“That’s Star Trek stuff!”… is pretty much the bemused reaction you’ll get if you allow yourself to answer casual questions about science over a drink with a non-physicist. AB-SO-LUTE disbelief. Your fault! Shouldn’t have gone there… Pretend you didn’t hear the question… Especially if the answer is ion propulsion! Continue reading The Ion Propulsion System – What the… #!$@*!!
Multiple Sclerosis? Is that contagious?We all know about diabetes, heart disease and cancer. Well, as much as any of us can learn from watching the news whether on TV or on the Web. On average, the advice is loud and clear. You’re told to: eat healthily, exercise moderately. Additionally, don’t smoke, don’t take drugs and go easy on your alcohol consumption. Overall, it makes good sense. Your heart, your lungs and your liver play a major role in keeping you alive and well. That little, everybody realises. But how much do we really know when it comes to illnesses of the nervous system? And without a healthy nervous system, well… This article deals with Multiple Sclerosis. It is an attempt to fill a gap in my own general ignorance and to inform others about this cruel condition…
GOCE – Gravity Field and Steady-State Ocean Circulation ExplorerGOCE succumbed to gravity – the force it had been sent up into space to study. Ironically. When the xenon fuel for this engine was exhausted, the satellite fell back to Earth in November 2013. The first of ESA’s Living Planet Programme satellites, GOCE was intended to map the Earth’s gravity field in unprecedented detail... Continue reading GOCE and Gravity – Looking Down at the Oceans Up Above
Lift-Off!Florida has Cape Canaveral, and now it seems the UK city of Sheffield has a new space port dubbed “Cape Kebaberal”. The name was inspired by the favourite student food of Alex Baker and Chris Rose, who run the Sheffield-based company SentIntoSpace. Continue reading It’s All Go at “Cape Kebaberal” in Sheffield…
Magnetic Fields All AroundIt’s not often you can see lightning above Glasgow, so this 2006 Flickr photograph is a rare and impressive sight. But that’s not the point… A study by researchers in the United Kingdom shows it is not just conditions here on Earth that determine how much thunder and lightning we get. The Sun’s magnetic field also has a major influence, more than doubling the number of lightning bolts on some days… Continue reading Lightning and the Sun’s Magnetic Field
Van Gogh’s Starry NightWhen Classical Physics and Post-Impressionist artists meet, few results are as hauntingly beautiful or as enchanting as one of Vincent van Gogh’s most famous masterpieces. The Starry Night embodies the inner, subjective expression of van Gogh’s response to Nature. And the churning night sky he depicted tells of the artist’s very unique perception of the World around him… Continue reading A Starry Starry Night or The Unexpected Maths in a Van Gogh’s Masterpiece
GEIPANThe United States have one. The Danish used to have one, and so did the Brits, but no longer. France remains the only country in Europe to have one. So, what exactly is the GEIPAN? Continue reading Le GEIPAN – Qu’est-Ce Que C’est?
Falling from Outer SpaceSince October 24, 2014, Alan Eustace holds the World Records for vertical speed reached during freefall with a peak velocity of 1,321 kilometres per hour (822 mph) and total freefall distance of 123,414 feet – lasting four minutes and 27 seconds. Continue reading Four Minutes and 27 Seconds of Freefall Fun – Two Years after Baumgarten, a New Record!
#BlueDotThis beautiful image of Scotland was tweeted by a German astronaut from the International Space Station today, as it drifted over Europe. Continue reading “Looks Like a Great Day, Scotland!”
It seems quiet at first, and even dull. Not much happening… Dreich, as one might say! Sad. Grim. Bleak. Not much to do… Not much to see here… Just sheep… But wait!! Look closer! Is that Dolly in this field? Now, that’s interesting! Oh, Aye, we’re in Scotland! It changes EVERYTHING… Continue reading Scotland’s Quiet Revolutions – One Nation with Sovereign Achievements… and a Pure Dead Brilliant Future!
The Industry Term is ‘Fracturing’Hydraulic fracturing, more commonly referred to as “fracking” in the media, is the fracturing of rock by a pressurised liquid. Some hydraulic fractures form naturally – certain veins or dikes are examples. However, induced hydraulic fracturing or hydro-fracturing is also a long tried-and-tested mining technique that has been most controversial recently… But let’s not panic! Continue reading The Craic about “Fracking” – Technical Facts on Hydraulic Fracturing
Gravity-Defying LanscapesOver millions of years, weathering and erosion of sandstone have produced unique landforms, such as arches, alcoves, pedestals and pillars. Until now, the natural process remained a mystery. It was difficult to study, because of the huge time-scales involved in the erosion of natural slabs of sandstone. Gravity-induced stresses had been assumed not to play any role in landform preservation. Instead gravity was thought to increase the rates of weathering and natural erosion… Continue reading Eroded Earth: The Forge of Gravity
Scotland’s First Nano-SatelliteEarlier this month, UKube-1, a satellite built by Glasgow-based technology firm Clyde Space, successfully launched on a test flight from Baikonur, Kazakhstan. It is the first ever spacecraft to be fully assembled in Scotland. Continue reading Satellite of Love – It’s Up, Up and Away for Scotland’s UKube-1
Mind Controlled Exoskeleton Demonstration at 2014 World Cup Opening CeremonyOn 12 June at Arena Corinthians in São Paulo, shortly before 5pm local time, a young paraplegic Brazilian youth will stand up from a wheelchair… walk over to midfield… and take a kick in the opening ceremony of the 2014 World Cup in Brazil! Continue reading Rise of the Exoskeletons – Get Up… and Kick-Off!
More Than Just Party Balloons…Helium is the second most abundant element in the Universe, after hydrogen. On Earth, helium is relatively rare, because it is one of the few elements that can escape gravity and leak away into space. Therefore, helium exists as a finite resource. But as our reserves of the precious element steadily decreases, helium is in increasing demand. In medicine, helium supports the fight against cancer… Continue reading Helium – Lighter than Air
Archimedes’ Principle and Helium BalloonsBuoyancy is the upward force exerted by a fluid that opposes the weight of an object immersed in a particular substance. Essentially, this is what Archimedes (c.287 BC – c.212 BC) observed when he stated that:
“Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object.” Continue reading Up Archimedes! – The Principle of Buoyancy
The Language of NatureThey are found everywhere in Nature. From the leaf arrangement in plants, to the pattern of the petals of a flower, the bracts of a pine cone, or the scales of a pineapple. The Fibonacci numbers are applicable to the growth of every living thing: a single cell, a grain of wheat, a hive of bees, all of mankind. From sunflowers to sea shells, the same recurrent mathematical pattern can be observed in Nature, again, and again, and again… Continue reading Fibonacci’s Golden Spiral – The Relationship between Maths and Nature
Sleuthing with Time-of-Flight Mass SpectrometryTime-of-Flight Mass Spectrometry is a technique for separating ions of different masses by measuring the time taken to traverse a fixed distance through a magnetic field. Sounds a bit arcane? The technique is used daily by forensic investigative teams to research criminal profiling and provide reliable evidence for the prosecution… Continue reading We Delve into Time-of-Flight Mass Spectrometry Forensics!
Loading Up the Dice for Extreme ClimateThe impacts of climate change include a higher risk of flooding and changes to crop yields and water availability. No single country causes climate change, and no one country can stop it. We need to match the urgency of our response with the scale of the science. Continue reading Global Weirding: Why The World Must Acclimatise
Space Training in Kölnisch WatersMajor Timothy Peake has been training for space underwater in Germany to prepare for work in zero gravity. The British astronaut who is set to go into space next year said that learning how to live and work in space will be essential to the future survival of our species. Continue reading Meanwhile Major Tim has been Training for Space in Cologne, Germany…
Earthquake Lights in the SkyMysterious flashes of light and clear-sky lightning, blue flames? Glowing orbs and fireballs? Will-o’-the-wisps? Stand-alone rainbow clouds and light pillars? How could this be…?
Scientists in the United States now say that earthquake lightning flashes appearing to precede earthquakes, are likely to be sparked by movements within the ground below. This phenomenon could be used to trigger alarms and help warn millions of an impending danger…
Continue reading The Enduring Mystery of Earthquake Lights – What Makes a Miracle?
A Watchful Eye on the Global ForestA new global monitoring system, Global Forest Watch has been launched that promises “near real-time” information on deforestation around the World. GFW uses information from hundreds of millions of satellite images, as well as data from people on the ground. Despite a greater global awareness of the impacts of deforestation, the scale of forest loss remains significant. Continue reading Global Forest Watch Map Recording Tree Loss in “Real Time”
On the Trail of the Elusive Magnetic MonopoleBreak a magnet into two pieces, and what do you obtain? What you get, unsurprisingly perhaps, are two new magnets – each one with two sides of opposite polarity. You don’t get a north half and a south half. Back to square one, it seems… Continue reading Magnetic “Monopole” Observed in Quantum System – The Lowdown on Electromagnetism
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