Recent content by Baluncore

Since the antler is bone, there will be blood vessels in the centre of the structure. The mass of blood in those vessels may be dried or may retain moisture, which will determine mass and density. If you need an accurate volume, maybe it is time to consider a 3D laser scanner, to get a detailed...

"In the future, everyone will be world-famous for 15 minutes". Andy Warhol. "Every dog has its day". Tension opens gaps that get filled by local low-energy activity. Take a look on Google Earth, at the tension faulting in the 10 x 10 km square to the SE of Hayli Gubbi. 13°24'21N, 40°48'41E The...

Why An "Extinct" Volcano Just Reawoke After 12,000 Years. OzGeology. https://www.youtube.com/@OzGeologyOfficial

Which step is most important when you climb the stairs, the first or the last?

The New York Times Saturday, May 4, 1935 THE LATE EMMY NOETHER. Professor Einstein Writes in Appreciation of a Fellow-Mathematician. To the Editor of The New York Times: The efforts of most human beings are consumed in the struggle for their daily bread, but most of those who are, either...

A truism. The last one in is a rotten egg.

Yes, but to get power across the widest RPM band, the turbo will need to function at the low end of the revs, where it is most inefficient. As I understand it, turbocharger efficiency follows an RPM4 power, while with a positive displacement supercharger, efficiency does better than RPM2, and it...

Hayli Gubbi is a minor player on a triple-plate boundary, in the Afar Depression, so activity will be associated with cyclic stress reduction. There are many other occasional players in that field. It will be interesting to see what effect it has on the complex regional politics, when those in...

The width of the power band will be determined by the tuning of the inlet and the exhaust. The turbo will be most important at high RPM, as it will extend the power at high RPM, when there is little time to induct air into the cylinders. A turbo will enable more power from the same engine...

The journey of Physics involves many steps, each essential. The inspiration of Newton, with calculus, to order the earlier chaos. Followed by the crowd at the Royal Society. Faraday, the experimenter, with Maxwell the formaliser. Hertz the experimenter, and Heaviside the rationaliser. Then...

That is a bold statement. Is there any proof ? If the turbine exhaust is to atmospheric pressure, then will not the centre of the flowing exhaust, have a lower pressure ?

This is the force applied by the driving wheels to the road, plotted against road speed. Because F = m · a ; it also represents vehicle acceleration. This is the power that is accelerating the vehicle, plotted against road speed. Notice the depth of the valley that must be crossed when...

I know the Nemesis that would catch me out, would be the radial pressure gradient inside the centrifugal pump. So I must expect the lowest pressure to be hidden behind the compressor impeller, at the shaft, between the impeller and the bearing. There may be a low pressure point in a similar...

Add a drop of detergent to the water so it wets the surface of the antler and does not trap air bubbles. What is the thermal expansion coefficient of antler volume? Must you regulate the temperature of the antler or water? It should not be necessary to equilibrate the temperature of the...

If you want a polygonal mirror, find yourself an old laser printer. Traditional laser printers have a rotating polygonal mirror with an optical system to illuminate the drum. More recent LED printers do not.