Relativistic mass of a rotating disc

Relativistic mass of a rotating disc

A few years back, in my spare time, I had attempted to calculate the relativistic mass of a rotating disc as measured by a reference frame fixed at its center. I used only equations of special…
Greenland: 800,000 Years Of Sudden Climate Change

Greenland: 800,000 Years Of Sudden Climate Change

What did Greenland look like over the last 800,000 years?   Hard to know for sure but one thing is certain; it changed often, and quickly. Drill cores taken from Greenland's vast ice sheets show…
Gazing at the Web from the Back Porch

Gazing at the Web from the Back Porch

The universe I see when I sit on my porch and look up into the sky is very different from the universe a professional astronomer sees with all of today's available advanced technology.  On a…
Incentives: To Change Science, Make Your Own

Incentives: To Change Science, Make Your Own

Science 2.0 fave Cam Neylon has some thoughts from a recent conference panel, namely that the thought process did not go beyond the usual "Institutions should do X" stuff.   Obviously we all…
Squid Gear On Sale!

Squid Gear On Sale!

SquidFire is having an end-of-summer sale: $5 off all their adult t-shirts. (I think it still applies even if you live in the southern hemisphere.) While not all of their gear features cephalopods,…