-
The density record of temperature-sensitive white spruce for this region showed extremely low values in the summer of 1783, known in Inuit lore as "the summer that did not come".
CNN: How volcanoes can change the world
-
To compare alien planets, Dr. Mendez at the Planetary Habitability Laboratory and his colleagues are creating an Earth Similarity Index that ranks worlds by their resemblance to our own planet, on a scale from zero to one, based on their mass, radius, density and surface temperature.
WSJ: Login/Register to set your edition
-
It's an airtight pod that changes air pressure, temperature and density.
WSJ: One Kid's Personal Tennis Academy
-
"Our conditions are ten times the temperature and ten times the density of the sun, and we're getting there in billionths of a second, " says John Lindl, NIF's chief scientist.
FORBES: A Nuclear Hybrid
-
The electric current density possible with such windings is approximately 30 to 100 times greater than the values achievable with copper coils at room temperature.
FORBES: Siemens Announces Initiative to Improve Power Generator Efficiency With Superconductors