In simple terms, a wormhole is a shortcut through space and time. To understand this, spacetime (which is a mathematical model that combines space and time into a single continuum) can be imagined as a 2D surface that, when folded over allows a bridge between the two to be formed. The bridge, or wormhole, has [...]
Entries from October 12th, 2009
To flap, or not to flap? Flapping wings can be more efficient than fixed wings.
October 12th, 2009 · 2 Comments · Physics
For many years researchers have been searching for ways to figure out what flight system is better: fixed wings like your normal everyday 747 or flapping wings like your normal everyday bird or insect. The answer depends on many aspects of the flight. If maneuverablilty is key in the flight then birds and insects have a [...]
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Plasma Rocket Could Travel to Mars in 39 Days
October 12th, 2009 · 1 Comment · Physics
Last week, the Ad Astra Rocket Company tested what is now the most powerful plasma rocket in the world. The VASIMR VX-200 engine passed 200 kilowatts for the first time ever. Ad Astra and their engine VASIMR (Variable Specific Impulse Magnetoplasma Rocket) have an agreement with NASA to test their engine on the International Space [...]
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