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Kaguya Releases Its Second Baby Satellite
As we mentioned in past articles, the Japanese Kaguya spacecraft, now orbiting the Moon, is actually a collection of satellites. The largest satellite is Kaguya. It's the one equipped with all the cameras and the suite of scientific instruments.
But Kaguya was also carrying two baby satellites. The first Relay satellite, nicknamed Okina, was released [...]
Has Dark Energy Always Been Constant?
Dark energy is that mysterious force that seems to be accelerating the expansion of the Universe. But the question is: has it always been pushing the Universe apart with the same force, or was it weaker or stronger in the past, and will it get stronger in the future? Researchers from the Harvard-Smithsonian Center for [...]
Titan has Drizzling Methane Rain
If you're planning a visit to Saturn's moon Titan, make sure you bring an umbrella. You'll need it. Not to protect you from water raining down; on frigid Titan, where temperatures dip below 180-degrees Celsius, all the water is completely frozen. No, according to scientists, there's a steady drizzle of liquid methane coming down in [...]
The Best Alien Hunter is Open for Business
The biggest and best tool ever developed to search for signs of extraterrestrial life is coming online in Northern California. No, it's not an interstellar bounty hunter, it's an array of radio dishes in Northern California. The Allen Array, located in an arid valley near the town of Hat Creek started gathering data with 42 [...]
Security Now 113: Roaming Authentication – sponsored by Astaro Corp.
Hosts: Steve Gibson with Leo Laporte
How do you solve the problem of secure access to data on the road? Steve shows how he tackled roaming authentication at grc.com and proposes a general solution for everyone.
For 16kpbs versions, transcripts, and notes (including fixes), visit Steve’s site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.
Security Now is brought to you by Astaro Internet Security.
Bandwidth for Security Now! is provided by AOL Radio.
Running time: 56:01
Lakes in Titan’s Northern Polar Region
NASA's Cassini spacecraft has now mapped out 60 percent of Titan's north pole region, and it's looking downright aquatic. At least 14% of the region revealed by Cassini is covered in what look like liquid hydrocarbon lakes. Take a look at the photo associated with this story, see the dark black regions? Those are lakes. [...]
