Why time travel is impossible
By: Paris Kaye
The very thought of time travel has captivated the human imagination for many centuries. Who among us has not thought of traveling back through time to prevent an epic disaster, or to enhance a memorable event in our lives or to somehow erase a regrettable...
By: Nick Somoski
A human's "reaction time" is the amount of time it takes for a person to respond to stimuli, or to perform simple reflexive functions. Reaction time is generally related to reflex, the involuntary movement in response to a stimuli. To slow a reflex is to...
By: Lenna Gonya
Reaction time is the period between any emergency or danger, and a person’s response to the situation. This brief period, which is usually a matter of seconds, can mean the difference between life and death, or serious injury.Factors that affect reaction time range...
Factors that affect reaction time
By: Debbie Kendle Lawson
Everything can and does affect our reaction time, one way or the other. Our reaction time can be quickened; or it can be slowed down. These are factors that can quicken our reaction time. Hyperthyroidism is one such disease. It can quicken your reaction time...
By: Elizabeth M Young
The KA SAT satellite that will provide greatly expanded broadbeam internet services to European and Mediterranean businesses and homes was launched on Sunday, December 27 as shown in a Networkworld YouTube Video. The satellite was released after 9 hours and 12 minutes of flight. This...
What is Functionally Graded material (FGM)
By: Frank Kero
Modern efforts to develop new materials for applications related to: biomedical devices/prosthetics; metallurgy; solar panels; sensors; aerospace transport and ceramics require a metric to measure quality as a means of controlling performance specifications. Spatial defects in the chemical composition or physical properties of a material...
By: Bruce Tyson
Europe’s high power Ariane 5 rocket made its final trip into space for the year 2010 in a dramatic liftoff from the European space port in French Guiana, South America. The launch into space was to place a video and data satellite into orbit...
Ariane 5 makes final 2010 flight
By: Richard Craig
There could be no more fitting a name for this glorious masterpiece of European engineering than Ariane ( The Very Holy One ). The massive rocket sat on her launchpad at the French Guianan space-port of Kourou. Tucked securely inside her were the 5374kg Hispasat-1E...
Some aeronautical engineers see atomic airships dominating skies
By: Terrence Aym
Thanks to Toshiba's new generation of micro-nuclear reactors, the dream of some engineers may finally become a reality.No, the reactors aren't small enough to fit into the DeLorean Dr. Emmett Brown drove in "Back to the Future," but they are compact and light...
By: D. Vogt
AeroVironment (AV), a California-based energy and electric vehicle development company, has announced the first hydrogen-powered aircraft. In January 2011, the company's new unmanned aerial vehicle (UAV), the Global Observer, completed its first flight. Hydrogen-powered aircraft are based on the use of hydrogen rather than hydrogen-containing...

 

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