SETI@home 3.0 Client Available -- The folks at the SETI@home distributed computing project - which takes advantage of idle systems around the world to analyze radio telescope data for possible extraterrestrial signals - have released version 3.0 of the SETI@home client for Macintosh. Version 3.0 still runs as either a screen saver or stand-alone application, and introduces new highly optimized Fast-Fourier Transform (FFT) algorithms; the performance improvements offered by the new techniques enable the SETI@home client to attempt two types of pulse detection ("pulses" and "triplets"). Version 3.0 also expands the range of Doppler shift rates examined, and tightens its Gaussian curve fitting to reduce the number of false positive reports. The client is also a little pickier about updating its 3D graph, since drawing to the screen can take longer than actually performing the computations. SETI@home 3.0 is a 450K download, and requires a PowerPC-based machine with at least 24 MB of RAM running System 7.5.5 or higher; use of the version 3.0 client will eventually be required to keep participating in the SETI@home project. If you haven't already, consider joining the TidBITS SETI@home team! [GD]
Track Bandwidth Use with VirusBarrier X6
If you have monthly bandwidth limits, it's useful to know how much data you have used so far to avoid overage charges or being shut off by your ISP. But how do you determine how much data your Mac has transferred? Open VirusBarrier X6's Traffic window to see both current and cumulative traffic, and you can also create warnings when your data usage - incoming, outgoing, or both - exceeds an amount you specify.
- SETI Brings Space Exploration to Home Macs (24 May 99)
Published in TidBITS 553.
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