At 10:48 AM 10/30/98 +1100, Simon Burge wrote:
>> Realy ? But with 64 bit or 128 bit adressing space you can address
>> every atom on the earth ... Once I mad a calculation about it, but I
>> think that 256 bit can address 1/8 of the universe.
>
>I seem to recall (vaguely!) that there's about 10^68 or 10^70 atoms in
>the universe? If 10^70 is the case, that's around 2^231. 2^256 is
>around 10^77...
>
No, it is around 10^78, maybe 10^80. That would be 259 to 265 bits. So the
previous statement about 256 bits being enough for 1/8 of the universe is
right, using the 10^78 figure.
+---------------------------------------------------------+
| Jud McCranie [EMAIL PROTECTED] or @camcat.com |
| |
| "... we live in a world that obeys meticulously the |
| laws of mathematics. The mathematics is difficult but |
| it can be understood entirely." - Gerard 't Hooft, 1997 |
+---------------------------------------------------------+
