Tag Archives: gravity

Detecting Density Anomalies

Gravity field surveying is a passive technique to detect gravity anomalies. Gravity is a global field that always points vertically down, with anomalies caused by very small variations in density of the underlying materials. A gravity base station measures the … Continue reading

Posted in Geoscience | Tagged , , , , , , , , , , , , , | Leave a comment

Field Photo: Falling Trees

This gallery contains 1 photo.

Although it’s an even-bet which tree is coming down first, physics and gravity dictate the second will come down mere moments later.

More Galleries | Leave a comment

The Trouble with Landslides

Landslides are among the least sexy disasters. Mud and rocks are less photogenic than lava, a single event usually impacts fewer people than an earthquake, hurricane, or tsunami, and anyone who lives in big, flat places will probably never encounter … Continue reading

Posted in Geoscience | Tagged , , , , , , , , , , , , , , , , , , | Leave a comment

The Length of a Day

Spin in an office chair with your arms & legs sticking out, then pull your limbs in tight to spin faster. If you watched Vancouver’s Spring Olympics, you saw figure skaters slow down a spin by extending a leg, then … Continue reading

Posted in Astronomy, Geoscience | Tagged , , , , , , | Leave a comment

So, you thought Saturn’s rings were flat, did you? It’s been crazy-busy around here recently, but I always have time for neat astronomy.

Posted on by Mika | Leave a comment