Making A Trip To Mars Cheaper & Easier: The Case For Ballistic Capture
When sending spacecraft to Mars, the current, preferred method involves shooting spacecraft towards Mars at full-speed, then performing a braking maneuver once the ship is close enough to slow it down and bring it into orbit. Above: Artist’s depiction of the Mars Curiosity Rover starting its line of entry, descent, and landing on Mars. A…
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Matt Williams – Universe Today
Awake, Online, And Sleep-Deprived – The Rise Of The Teenage ‘Vamper’
About three years ago, a teenage girl was talking with me and other students about using her cell phone late at night. She told us how she waited until her parents were asleep, then spent at least four hours every night texting with her friends. Her parents thought she was asleep in bed. “I’d sleep…
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Elizabeth Englander – The Conversation