Linked by Thom Holwerda on Thu 26th Aug 2010 23:24 UTC
IBM At the Hot Chips 2010 conference, IBM announced their upcoming z196 CPU, which is really, really fast. How fast? Fastest chip in the world fast. Intended for Z-series mainframe computers, the Z196 has a clock speed of 5.2GHz. Measuring just 512 square millimeters, the Z196 is fabricated on 45nm PD SOI technology, and on its surface contains almost one and a half billion transistors. My... Processor is bigger than yours.
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Neolander
Member since:
2010-03-08

So well-adapted that it believed for a long time that the Sun was gravitating around the Earth...

Reply Parent Score: 2

Zifre Member since:
2009-10-04

So well-adapted that it believed for a long time that the Sun was gravitating around the Earth...

Before science was widespread, that seemed like a pretty good idea. There was no reason to believe otherwise. It's not like universal gravitation is obvious - we only ever see things falling toward the Earth.

And technically, space isn't absolute. The Sun really is orbiting the Earth just as much as the Earth is orbiting the Sun. We only consider the Sun to be the center because it is bigger.

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Drumhellar Member since:
2005-07-12

And technically, space isn't absolute. The Sun really is orbiting the Earth just as much as the Earth is orbiting the Sun. We only consider the Sun to be the center because it is bigger.


No, the Earth is orbiting the Sun, and not at all the other way around. This is because the barycenter of the Earth-Sun system is contained within the Sun. In order to say the Sun orbits the Earth, the barycenter would have to be located within the Earth.

If the barycenter was at a point that was between the two bodies, but not within either, it would be a binary system. This is the situation with Pluto. Instead of having a moon, Charon really makes Pluto-Charon a binary system, as their barycenter is external to either body.

Reply Parent Score: 2