Hunting For The God ParticleToday, Thursday 14th March 2013. Only last year, the world of Particle Physics research was getting excited among rumours and speculation that the hunt for the Higgs boson at the Large Hadron Collider (LHC) was finally over, following the news that a Higgs-like particle had been identified in July. Continue reading It’s a Higgs!
Our planet is surrounded by layers of gas, the ‘atmosphere’, maintained around it by the very gravitational attraction of the Earth. An important part of the atmosphere that we use to breathe and that plants use in photosynthesis is the ‘air’. Continue reading Earth’s Atmosphere
12 Short Videos about the Physics of the CosmosThe Open University has teamed up with “geek chic” comedian David Mitchell to release a series of 12 short animated YouTube videos about the Physics of the Cosmos: “60-Second Adventures in Astronomy”. A real treat. And it’s educational! If you have only 60 seconds, you can now learn everything we know about matter, energy, life, the Universe and everything…
The Standard Model of Particle Physics is a theory about the electromagnetic, weak and strong nuclear interactions, developed throughout the mid-to-late 20th century, as a worldwide collaborative effort. Continue reading The Standard Model
Today, Friday 15th February 2013. Russia’s Ural mountains. A fireball streaks through the clear morning sky. Loud bangs follow. A meteor crashes in Russia about 1,500 kilometres (930 miles) east of Moscow. Continue reading Meteors over Russia
Rainbows: Technicolor Symphonies in the SkyRainbows are one of Nature’s most gorgeous optical spectacles to behold, brightening up clouded skies with an ephemeral palette of colours when the light falls just right… Continue reading Rainbows, Rainbows Everywhere!
Earth’s Electric FieldThe Earth has an electric field. On average, this field points vertically downwards and it has a magnitude of about 100 N C-1 (Newtons per Coulomb). It exists because the Earth’s surface carries a negative charge of – 5 x 105 C, while the upper atmosphere carries a compensating positive charge. An average of 400,000 thunderstorms a day Continue reading Lightning and the Earth’s Electric Field
Black HolesBlack holes are known to exist at the centres of most galaxies, including our own Milky Way. The masses of those black holes are correlated to many of the properties of their host galaxies, which strongly suggests that galaxies and black holes evolve together. Measuring their masses Continue reading How to Weigh a Supermassive Black Hole?
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14th October 2012. During his ultimate high-altitude parachute jump, Felix Baumgartner spends approximately 4 minutes and 22 seconds in freefall, at the maximum speed of 1,342 kilometres per hour. Continue reading Fallen from Outer Space…
Fiat Lux…Light. Most of us take it for granted during the day. And at night, we have learned to domesticate it. Light, the natural agent that stimulates our sense of sight and makes things around us visible. Continue reading Let There Be Light…
Physical Constants (SI Units)Avogadro Constant
Bohr Radius
Boltzmann Constant
Charge on an Electron
Gravitational Constant
Magnitude of Acceleration due to Gravity
Permeability of Free Space
Permittivity of Free Space
Speed of Light in a vacuum
Astronomical BeginningsEarly astronomers already make the distinction between stars and planets, as the former remain relatively fixed for centuries, while the latter wander an appreciable amount in a comparatively short time. But that’s not all!
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