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Posts tagged physics

Photo 434
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Posted 7 months ago
discoverynews: Is Antimatter a Viable Starship Fuel? Hope springs eternal for die-hard Star Trek fans that scientists will one day build an actual, working antimatter propulsion engine similar to the one that powers the fictional starship Enterprise. A paper published earlier this year by a pair of enterprising (get it?) physicists should fan the flames of that fantasy even further. The results from their computer simulations indicate that at least one key component of realizing a working antimatter propulsion engine — highly efficient magnetic nozzles — should be far more efficient than previously thought. And such nozzles are feasible using today’s technologies. find out more about how this COULD work… Zoom

discoverynews:

Is Antimatter a Viable Starship Fuel?

Hope springs eternal for die-hard Star Trek fans that scientists will one day build an actual, working antimatter propulsion engine similar to the one that powers the fictional starship Enterprise.

A paper published earlier this year by a pair of enterprising (get it?) physicists should fan the flames of that fantasy even further. The results from their computer simulations indicate that at least one key component of realizing a working antimatter propulsion engine — highly efficient magnetic nozzles — should be far more efficient than previously thought. And such nozzles are feasible using today’s technologies.

find out more about how this COULD work…

via seekeroftruth27
Photo 285
Notes
Posted 8 months ago
scienceisbeauty: Outstanding double rainbow over San Francisco last night. Via Flickr (tobyharriman’s photostream). Zoom

scienceisbeauty:

Outstanding double rainbow over San Francisco last night.

Via Flickr (tobyharriman’s photostream).

via scienceisbeauty
Text
Posted 11 months ago

Horse race commentator: And they’re checking the electron microscope. And the winner is… Number 3!
The Professor: No fare, you changed the outcome by measuring it!

Photo 4719
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Posted 1 year ago
picturesofmath: Lightning in slow motion - Imgur

picturesofmath:

Lightning in slow motion - Imgur

via picturesofmath
Photo 178
Notes
Posted 1 year ago
scienceisbeauty: This is the first-ever map of the surface of an exoplanet, or a planet beyond our solar system. The map, which shows temperature variations across the cloudy tops of a gas giant called HD 189733b, is made from infrared data taken by NASA’s Spitzer Space Telescope. Hotter temperatures are represented in brighter colors. Source: First Map of an Exoplanet Atmosphere, Spitzer Space Telescope Zoom

scienceisbeauty:

This is the first-ever map of the surface of an exoplanet, or a planet beyond our solar system. The map, which shows temperature variations across the cloudy tops of a gas giant called HD 189733b, is made from infrared data taken by NASA’s Spitzer Space Telescope. Hotter temperatures are represented in brighter colors.

Source: First Map of an Exoplanet Atmosphere, Spitzer Space Telescope

via scienceisbeauty
Photo 8
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Posted 1 year ago
doctorspock: Molecular Cloud Barnard 68  Explanation: Where did all the stars go? What used to be considered a hole in the sky is now known to astronomers as a dark molecular cloud. Here, a high concentration of dust and molecular gas absorb practically all the visible light emitted from background stars. The eerily dark surroundings help make the interiors of molecular clouds some of the coldest and most isolated places in the universe. One of the most notable of these dark absorption nebulae is a cloud toward the constellation Ophiuchus known asBarnard 68, pictured above. That no stars are visible in the center indicates that Barnard 68 is relatively nearby, with measurements placing it about 500 light-years away and half a light-year across. It is not known exactly how molecular clouds like Barnard 68form, but it is known that these clouds are themselves likely places for new stars to form. In fact, Barnard 68 itself has been found likely to collapse and form a new star system. It is possible to look right through the cloud in infrared light. Zoom

doctorspock:

Molecular Cloud Barnard 68 

Explanation: Where did all the stars go? What used to be considered a hole in the sky is now known to astronomers as a dark molecular cloud. Here, a high concentration of dust and molecular gas absorb practically all the visible light emitted from background stars. The eerily dark surroundings help make the interiors of molecular clouds some of the coldest and most isolated places in the universe. One of the most notable of these dark absorption nebulae is a cloud toward the constellation Ophiuchus known asBarnard 68, pictured above. That no stars are visible in the center indicates that Barnard 68 is relatively nearby, with measurements placing it about 500 light-years away and half a light-year across. It is not known exactly how molecular clouds like Barnard 68form, but it is known that these clouds are themselves likely places for new stars to form. In fact, Barnard 68 itself has been found likely to collapse and form a new star system. It is possible to look right through the cloud in infrared light.

via terra-natus
Quote 155
Notes
Posted 1 year ago

I hate that “God particle’ term […]

The Higgs is not endowed with any religious meaning. It is ridiculous to call it that […]

Calling it the ’God particle’ is completely inappropriate […]

It’s not doing justice to the Higgs and what we think its role in the universe is. It has nothing to do with God. […]

Hearing it called the ’God particle’ makes me angry.

Higgs boson: Why scientists hate that you call it the ‘God particle’ (via scipsy)
via scipsy
Photo 272
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Posted 1 year ago
scienceisbeauty: The Higgs Boson may have been found!!! A typical candidate event including two high-energy photons whose energy (depicted by red towers) is measured in the CMS (Compact Muom Solenoid). Credit: © 2011 CERN Source: Candidate events in the CMS Standard Model Higgs Search using 2010 and 2011 data. More Text background on the Higgs, and a glossary of important terms in Higgs research can be found here. CERN on Twitter Watch the live webcast Interesting entry in the blog of the theorist physicist Luboš Motl (Higgs: 17 hours ahead of the world) Zoom

scienceisbeauty:

The Higgs Boson may have been found!!!

A typical candidate event including two high-energy photons whose energy (depicted by red towers) is measured in the CMS (Compact Muom Solenoid).

Credit: © 2011 CERN

Source: Candidate events in the CMS Standard Model Higgs Search using 2010 and 2011 data.

More

via scienceisbeauty
Photo 80
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Posted 1 year ago
inothernews: Gizmodo’s photo illustration for their story on scientists at CERN expecting to see “the first glimpse” next week of the elusive Higgs Boson — once described by National Geographic as a particle that interacts with all other particles “sort of the way a Jedi knight in Star Wars is the carrier of the Force” — is BRILLIANT. Click the photo of Yoda inside the Large Hadron Collider for more. Zoom

inothernews:

Gizmodo’s photo illustration for their story on scientists at CERN expecting to see “the first glimpse” next week of the elusive Higgs Boson — once described by National Geographic as a particle that interacts with all other particles “sort of the way a Jedi knight in Star Wars is the carrier of the Force” — is BRILLIANT.

Click the photo of Yoda inside the Large Hadron Collider for more.

via inothernews
Photo 210
Notes
Posted 1 year ago
scienceisbeauty: Cumulonimbus Cloud over Africa is featured in this image photographed by an Expedition 16 crewmember on the International Space Station. Deemed by many meteorologists as one of the most impressive of cloud formations, cumulonimbus (from the Latin for “puffy” and “dark”) clouds form due to vigorous convection of warm and moist unstable air. Surface air warmed by the Sun-heated ground surface rises, and if sufficient atmospheric moisture is present, water droplets will condense as the air mass encounters cooler air at higher altitudes. The air mass itself also expands and cools as it rises due to decreasing atmospheric pressure, a process known as adiabatic cooling. Source: ISS016-E-027426 (5 Feb. 2008), NASA Human Space Flight Zoom

scienceisbeauty:

Cumulonimbus Cloud over Africa is featured in this image photographed by an Expedition 16 crewmember on the International Space Station. Deemed by many meteorologists as one of the most impressive of cloud formations, cumulonimbus (from the Latin for “puffy” and “dark”) clouds form due to vigorous convection of warm and moist unstable air. Surface air warmed by the Sun-heated ground surface rises, and if sufficient atmospheric moisture is present, water droplets will condense as the air mass encounters cooler air at higher altitudes. The air mass itself also expands and cools as it rises due to decreasing atmospheric pressure, a process known as adiabatic cooling.

Source: ISS016-E-027426 (5 Feb. 2008), NASA Human Space Flight

via scienceisbeauty
Photo 368
Notes
Posted 1 year ago
nprfreshair: Monday: a discussion about dark matter, expanding universes, physics, and more with physicist Saul Perlmutter. You might have heard the name. He just shared the Nobel Prize in Physics. Zoom

nprfreshair:

Monday: a discussion about dark matter, expanding universes, physics, and more with physicist Saul Perlmutter. You might have heard the name. He just shared the Nobel Prize in Physics.

via nprfreshair
Photo 922
Notes
Posted 1 year ago
inothernews: GREAT BALL OF FIRE    Pictured is an exploding star, known as Type 1a supernova — the type used by physicists Adam Riess, Saul Perlmutter and Brian Schmidt to measure the expansion of the universe.  The trio were awarded the Nobel Prize for physics and will share a $1.4 million prize.  (Photos via the New York Times) Zoom

inothernews:

GREAT BALL OF FIRE    Pictured is an exploding star, known as Type 1a supernova — the type used by physicists Adam Riess, Saul Perlmutter and Brian Schmidt to measure the expansion of the universe.  The trio were awarded the Nobel Prize for physics and will share a $1.4 million prize.  (Photos via the New York Times)

via inothernews