It is much easier to get to Mars than to get deep inside this planet, so for all our knowledge about things like earthquakes and the magnetic field, Earth's interior is actually very poorly understood. To study how metals interact at the prodigious pressures within, scientists squeeze small particles in the lab and heat them up — but this is an inexact science and difficult to do.
Scientists discover ancient rocks on the sea-floor that give them a window into the Earth's mantle
By Gregory MonePosted 04.14.2008 at 8:28 am 0 Comments
No, you can't hike or spelunk or even tunnel down to the center of the Earth, even if movies like The Core or this summer's 3D adventure flick, Journey to the Center of the Earth, suggest otherwise. To find out about our planet's insides, scientists rely on very different tricks. And, apparently, a little luck.
From the gadgets in Get Smart to the gamma rays in The Hulk, we rate the scientific jargon quotient of the summer's hottest flicks
By Gregory MonePosted 04.11.2008 at 2:48 pm 0 Comments
Its blockbuster season, and that means mad scientists, angry robots and a certain flexibility with the laws of physics. Heres our guide to movies made especially with PopSci fans in mind. In it, a roundup of the season's best (and worst) geek candy, along with our expected gibberish quotient, so youll know which lines are pure comedy—even if no one else is laughing.