Melting drones on Vanuatu – Amazing footage from an active volcano
Recent advances in technology have made drones available to the general public. And as nerds go, they have found brilliant ways to use these. Flying a drone with a camera into a volcano […]Continue reading
New on StackExchange: Temporal Resolution of Seismic data
Radius of the Fresnel zone is given by where v: velocity of layer : two way travel time :dominant frequency in the spectrum This shows that high frequencies give better resolution than lower […]Continue reading
To what accuracy and precision do we know the volume of the Earth?
Satellites such as GOCE and GRACE measure the geoid with unprecedented accuracy. Altimeters can determine local surface elevation with millimetre-precision. This makes me wonder: to what precision and accuracy can we measure (or […]Continue reading