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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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eneconv(1)					 GROMACS suite, VERSION 4.5.4-dev-20110404-bc5695c					eneconv(1)

NAME
eneconv - converts energy files VERSION 4.5.4-dev-20110404-bc5695c SYNOPSIS
eneconv -f ener.edr -o fixed.edr -[no]h -[no]version -nice int -b real -e real -dt real -offset real -[no]settime -[no]sort -[no]rmdh -scalefac real -[no]error DESCRIPTION
With multiple files specified for the -f option: Concatenates several energy files in sorted order. In the case of double time frames, the one in the later file is used. By specifying -settime you will be asked for the start time of each file. The input files are taken from the command line, such that the command eneconv -f *.edr -o fixed.edr should do the trick. With one file specified for -f: Reads one energy file and writes another, applying the -dt, -offset, -t0 and -settime options and converting to a different format if necessary (indicated by file extentions). -settime is applied first, then -dt/ -offset followed by -b and -e to select which frames to write. FILES
-f ener.edr Input, Mult. Energy file -o fixed.edr Output Energy file OTHER OPTIONS
-[no]hno Print help info and quit -[no]versionno Print version info and quit -nice int 19 Set the nicelevel -b real -1 First time to use -e real -1 Last time to use -dt real 0 Only write out frame when t MOD dt = offset -offset real 0 Time offset for -dt option -[no]settimeno Change starting time interactively -[no]sortyes Sort energy files (not frames) -[no]rmdhno Remove free energy block data -scalefac real 1 Multiply energy component by this factor -[no]erroryes Stop on errors in the file KNOWN PROBLEMS
- When combining trajectories the sigma and E2 (necessary for statistics) are not updated correctly. Only the actual energy is correct. One thus has to compute statistics in another way. SEE ALSO
gromacs(7) More information about GROMACS is available at <http://www.gromacs.org/>. Mon 4 Apr 2011 eneconv(1)
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