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Contents contributed and discussions participated by Johnathan Fletcher

Johnathan Fletcher

High Times: The High-Res Camera Showing us Mars' Face | Gajitz | Gadgets, Science & Tec... - 0 views

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    The landscapes of other planets have long been the source of fantasies and speculation, but in the last few decades we've finally been able to get a close-up view of the surfaces of alien worlds. NASA's Mars Reconnaissance Orbiter (MRO) has been orbiting Mars since 2006, and on board is the High Resolution Imaging Science Experiment camera, or HiRISE.
Johnathan Fletcher

Is it Possible for a Spacecraft to Fly Straight Through Jupiter? | Popular Science - 0 views

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    Pop Sci asks a question you where probably dying to have answered.
Johnathan Fletcher

If Earth had rings. [VIDEO] - 0 views

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    What would the sky look like if the Earth had rings like Saturn?
Johnathan Fletcher

Large Hadron Collider - How does it work? - 0 views

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    Informative video on the world's largest physics experiment.
Andrew Carroll

Greastes Band Ever - 5 views

Amazing Band
started by Andrew Carroll on 19 Nov 09 no follow-up yet
  • Johnathan Fletcher
     
    Andrew,

    Please use the group for your research in class assignments and projects. Collect your personal links and topics in your personal locations please.
Johnathan Fletcher

BBC News - Acid oceans leave fish at more risk from predators - 0 views

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    The researchers say that their study shows that fish larvae "might exhibit a fatal attraction to predators at CO2 and pH levels that could occur in our oceans by 2100 on a business-as-usual scenario of greenhouse gas emissions"
Johnathan Fletcher

YouTube - On the top of Burj Dubai's spire - 0 views

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    Enjoy the amazing view from the top of Burj Dubai Spire.
Johnathan Fletcher

Toy trains 'Star Wars' fans to use The Force - USATODAY.com - 2 views

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    Could The Force be with you? A toy due in stores this fall will let you test and hone your Jedi-like abilities.
Johnathan Fletcher

BBC NEWS | Health | Plastic chemicals 'feminise boys' - 0 views

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    "Chemicals in plastics alter the brains of baby boys, making them "more feminine", say US researchers."
Johnathan Fletcher

Launch of the Ares I-X - The Big Picture - Boston.com - 0 views

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    "hauls cars carrying the Ares I-X motor segments and nozzle exit cone over a river bridge to NASA's Kennedy Space Center in Florida. The four reusable motor segments and the nozzle exit cone, manufactured by the Ares I first-stage prime contractor Alliant Techsystems Inc., or ATK, departed Utah March 12 on the seven-day, cross-country trip to Florida. (NASA/Kim Shiflett) #"
Johnathan Fletcher

Passive Crossover Networks - 2 views

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    "Passive Crossovers, Low Pass, Bandpass, Highpass Filters"
Johnathan Fletcher

Shavano Music Online - 2 Way/3 Way Passive Crossover Networks - Testing the results - 2 views

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    "Building your own 2 Way/3 Way Passive Crossover Networks"
Johnathan Fletcher

Passive Crossover Network Design - 1 views

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    While there are many articles elsewhere that discuss passive crossover design, not all follow a scientific approach. There are several 'off-the-wall' designs scattered throughout the Internet that are a case in point, and unless there is real science described in any article you see, it is best avoided.
Johnathan Fletcher

Passive Crossovers - 1 views

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    "A passive crossover has no active filters as were used in the electronic crossover. It uses coils (inductors) and capacitors to cause a rolloff of the audio level."
Johnathan Fletcher

MIT OpenCourseWare | Physics | 8.02 Electricity and Magnetism, Spring 2002 | Video Lect... - 1 views

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    Professor Walter Lewin's video lecture series on electromagnetism
Johnathan Fletcher

Magnetohydrodynamics - 1 views

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    "Magnetohydrodynamics, or MHD, is a branch of the science of the dynamics of matter moving in an electromagnetic field, especially where currents established in the matter by induction modify the field, so that the field and dynamics equations are coupled."
Johnathan Fletcher

YouTube - Rich English Guy and his Trebuchet - 1 views

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    Besides giving away to charity, most rich people waste their money on boring, frivolous things such as yachts, diamonds, and mansions. Here's a rich English guy that knows how to have fun. I hope he does build a bigger one. I would like to see a flying double-decker bus.
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