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Full Discussion: Climate change anyone?
The Lounge What is on Your Mind? Climate change anyone? Post 303034826 by wisecracker on Tuesday 7th of May 2019 01:25:04 PM
Old 05-07-2019
Hi Neo...
Quote:
I admire Dr. Kaku's energy and optimism and I hope he is right; that the Earth will transition from a Type 0 civilization, to a Type 1 civilization in about 100 years.
Ha ha, he jests. We will never reach the goal of Kardashev's Type 1 Civilisation, let alone even thinking about his Type II or III, (Types 0, IV and V are modern extensions).

And the so-called Warp drive of StarTrek along with 'Beam Me Up Scotty' matter transfer is pure fiction.
One can't accelerate much outside the range of 0.9G to 1.1G for half the distance we need to travel, inter-stellar wise, as we would need to decelerate at the same amount for the final half, and our closest stellar neighbour is about 4.3 light years away so any SAFE and RELIABLE journey would take, erm, a LONG time.
And we haven't even got to inter-galactic REALISTIC travel methods.

As for matter transfer, how can one guarantee EVERY particle in any one body will return to its exact position on rebuild?
If there were Types I, II or III civilisations we would be able to detect them as they would make themselves easily _visible_/_measurable_.

Climate change will put paid to any idea of colonising a barren planet like Mars as huge global conflicts will occur as military nations grab what quick and easy resources remain.

Storing all of the energy on the host planet is worlds away, (no pun), from reality as we have a core and mantle with as much energy as we would ever need, and yet we have not harnessed it in any way seriously. This alone could help combat climate change but......
Science, engineering and geo-physics are one thing, human nature is something else.
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CHMOD(1)						      General Commands Manual							  CHMOD(1)

NAME
chmod - change mode SYNOPSIS
chmod mode file ... DESCRIPTION
The mode of each named file is changed according to mode, which may be an octal number or a symbolic change to the existing mode. A mode is an octal number constructed from the OR of the following modes. 0400 read by owner 0200 write by owner 0100 execute (search in directory) by owner 0070 read, write, execute (search) by group 0007 read, write, execute (search) by others A symbolic mode has the form: [who] op permission The who part is a combination of the letters u (for user's permissions), g (group) and o (other). The letter a stands for ugo. If who is omitted, the default is a. Op can be + to add permission to the file's mode, - to take away permission, and = to assign permission absolutely (all other bits will be reset). Permission is any combination of the letters r (read), w (write), x (execute), a (append only), and l (exclusive access). Only the owner of a file or the group leader of its group may change the file's mode. SOURCE
/sys/src/cmd/chmod.c SEE ALSO
ls(1), stat(2), stat(5) CHMOD(1)
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