tech e blog


Photo credit: NASA

According to researcher Scott Waring, "An artificial light source was seen this week in this NASA photo which shows light shining upward from...the ground. This could indicate there there is intelligent life below the ground and uses light as we do. This is not a glare from the sun, nor is it an artifact of the photo process." Click here to view the first image in today's viral picture gallery. Continue reading for a viral video of the best April Fools Day's classroom prank ever.

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Scientists have discovered a massive underground ocean of water on Saturn's moon, Enceladus. The Cassini spacecraft conducted gravity measurements that show the internal structure of the moon, including the ocean of water underneath the moon's icy crust. This makes Enceladus a potential home for extraterrestrial life within our solar system. Continue reading for a video and more information.

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Could this be a sign? The image above of the M87 galaxy shows a black hole-powered stream of electrons barreling into space, traveling near the speed of light. What this indicates is that there may be a super-massive black hole at the center of this galaxy, with this particular example believed to have "swallowed up" matter equal to 2-billion of our suns. Continue reading for more.

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Jupiter's bright yellow Io is currently the strangest moon in our Solar System right no, and this is how it would appear in the "true colors" perceptible to the average human eye - taken in 1999 July by the Galileo spacecraft that orbited Jupiter from 1995 to 2003. Io's colors derive from sulfur and molten silicate rock. The unusual surface of Io is kept very young by its system of active volcanoes. The intense tidal gravity of Jupiter stretches Io and damps wobbles caused by Jupiter's other Galilean moons. Continue reading for more.

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Did you know that duct tape helped save the Apollo 13 crew because it put together the pieces of the land Rover so they could get back to their space craft? The CO2 filtering system for the Lunar Module was designed for only 2 people for only 3 days, and the filter quickly became saturated. NASA engineers on the ground figured out how to use the spare CO2 filters from the command module, which were of a different size and configuration from the LM filter, piecing together space suit hoses, cardboard from a supply box, plastic bags and holding it all together with lots of duct tape. They talked the Apollo 13 astronauts through the steps required to make and install the make-shift filter, now referred to as the "mailbox" and it worked. Without this solution, the Apollo 13 crew would have died from CO2 poisoning. Also, duct tape was used on Apollo 17's lunar rover...to hold together a makeshift fender after they discovered that gritty lunar dust thrown up by the rover's tires was clogging the instruments and space suit filters. Continue reading for more.

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Photo credit: Gizmodo

Ghostly and nearly transparent, Aerogel is the world's lightest solid, weighing only three times that of air and is 1,000 times less dense than glass. It's almost like an overcast rainbow resembling a hologram and appearing to be a projection rather than a solid object. The material is rarer than diamonds and costs thousands of dollars per ounce. Click here to view the first image in today's viral picture gallery. Continue reading for a viral video of an interesting anti-gravity wheel.

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Does the Milky Way Galaxy have a twin? Two-years-ago, astronomers discovered a galaxy that was almost exactly like ours, complete with two small satellite galaxies orbiting it, perfectly corresponding to our own Magellanic Clouds. For those who don't know, these are extremely rare occurrences, as only 3% of spiral galaxies have companion galaxies like that. Continue reading for more.

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Although not the first space telescope, Hubble is one of the largest and most versatile, and is well known as both a vital research tool and a public relations boon for astronomy. Hubble is the only telescope designed to be serviced in space by astronauts. The telescope is now expected to function until at least 2014, and possibly 2020. Its scientific successor, the James Webb Space Telescope (JWST), is currently scheduled to be launched in 2018. Continue reading for more.

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In 1962, John DeNike and Stanley Zahn published their idea of a sub-surface base located at the Sea of Tranquility. This base would house a crew of 21, in modules placed four meters below the surface, which was believed to provide radiation shielding on par with Earth's atmosphere. DeNike and Zahn favored nuclear reactors for energy production, because they were more efficient than solar panels, and would also overcome the problems with the long Lunar nights. For the life support system, an algae-based gas exchanger was proposed. Continue reading for more.

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Paying homage to last night's 86th Annual Academy Awards, NASA saluted the Academy Award-winning film Gravity, with these amazing pictures of space captured by astronauts. The gallery was originally uploaded this past weekend to NASA Goddard Space Flight Center's Flickr page. First up, we have some astronauts performing routine maintenance while tethered. Continue reading for more.

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