Re: Babbage vs Turing

2018-12-22 Thread Philip Thrift
On Saturday, December 22, 2018 at 1:13:48 AM UTC-6, agrays...@gmail.com wrote: > > What are the key differences between their contributions to computer > science? TIA, AG > A century apart: 1837 - Analytical Engine 1936 - Turing Machine "[Charles Babbage's] Analytical Engine incorporated an

CMBR and Horizon Problem

2018-12-22 Thread agrayson2000
If the temperature was non uniform when the BB occurred, if it occurred, why would a sudden increase in its volume, aka inflation, erase or wash out those non uniformities? ISTM, it would preserve them. OTOH, if the initial temperature were uniform, would that obviate the need for inflation, or

Re: Babbage vs Turing

2018-12-22 Thread Philip Thrift
On Saturday, December 22, 2018 at 2:35:27 AM UTC-6, Philip Thrift wrote: > > > > On Saturday, December 22, 2018 at 1:13:48 AM UTC-6, agrays...@gmail.com > wrote: >> >> What are the key differences between their contributions to computer >> science? TIA, AG >> > > A century apart: > > 1837 -

Re: What is more primary than numbers?

2018-12-22 Thread Bruno Marchal
> On 21 Dec 2018, at 03:22, Bruce Kellett wrote: > > On Fri, Dec 21, 2018 at 1:03 PM Jason Resch > wrote: > On Thu, Dec 20, 2018 at 7:05 PM Bruce Kellett > wrote: > On Fri, Dec 21, 2018 at 11:45 AM Jason Resch

Re: What is more primary than numbers?

2018-12-22 Thread Bruno Marchal
> On 21 Dec 2018, at 05:44, Jason Resch wrote: > > > > On Thu, Dec 20, 2018 at 8:28 PM Bruce Kellett > wrote: > On Fri, Dec 21, 2018 at 1:07 PM Jason Resch > wrote: > On Thu, Dec 20, 2018 at 7:11 PM Bruce Kellett

Re: Babbage vs Turing

2018-12-22 Thread Bruno Marchal
> On 22 Dec 2018, at 10:00, Philip Thrift wrote: > > > > On Saturday, December 22, 2018 at 2:35:27 AM UTC-6, Philip Thrift wrote: > > > On Saturday, December 22, 2018 at 1:13:48 AM UTC-6, agrays...@gmail.com <> > wrote: > What are the key differences between their contributions to computer

Re: CMBR and Horizon Problem

2018-12-22 Thread agrayson2000
On Saturday, December 22, 2018 at 11:46:18 AM UTC, agrays...@gmail.com wrote: > > If the temperature was non uniform when the BB occurred, if it occurred, > why would a sudden increase in its volume, aka inflation, erase or wash out > those non uniformities? ISTM, it would preserve them.

Re: What is more primary than numbers?

2018-12-22 Thread agrayson2000
On Saturday, December 22, 2018 at 12:18:33 PM UTC, Bruno Marchal wrote: > > > On 20 Dec 2018, at 16:35, agrays...@gmail.com wrote: > > > > On Thursday, December 20, 2018 at 12:46:06 PM UTC, Bruno Marchal wrote: > > > On 19 Dec 2018, at 16:52, agrays...@gmail.com wrote: > > > > On Wednesday,

Re: What is more primary than numbers?

2018-12-22 Thread agrayson2000
On Saturday, December 22, 2018 at 2:29:54 AM UTC, agrays...@gmail.com wrote: > > > > On Saturday, December 22, 2018 at 2:03:06 AM UTC, Jason wrote: >> >> >> >> On Fri, Dec 21, 2018 at 8:50 PM wrote: >> >>> >>> >>> On Saturday, December 22, 2018 at 1:42:06 AM UTC, Jason wrote:

Re: What is more primary than numbers?

2018-12-22 Thread Bruno Marchal
> On 20 Dec 2018, at 16:35, agrayson2...@gmail.com wrote: > > > > On Thursday, December 20, 2018 at 12:46:06 PM UTC, Bruno Marchal wrote: > > On 19 Dec 2018, at 16:52, agrays...@gmail.com wrote: > > > > On Wednesday, December 19, 2018 at 12:01:07 PM UTC, Bruno Marchal wrote: > > On 18

Re: What is more primary than numbers?

2018-12-22 Thread Philip Thrift
On Saturday, December 22, 2018 at 3:53:36 AM UTC-6, Bruno Marchal wrote: > > > On 21 Dec 2018, at 05:44, Jason Resch > > wrote: > > > > On Thu, Dec 20, 2018 at 8:28 PM Bruce Kellett > wrote: > >> On Fri, Dec 21, 2018 at 1:07 PM Jason Resch > > wrote: >> >>> On Thu, Dec 20, 2018 at 7:11 PM

Re: The most accurate clock ever

2018-12-22 Thread John Clark
On Sat, Dec 22, 2018 at 2:36 AM Brent Meeker wrote: * > I'm not sure why you converted 9" to kilometers instead meters,* > Oh that's very easily explained. I was stupid. > *> but: 2(6.67e-11)112/0.2(9e16) = 8.3e-25* > Yes, I get 8.3*10^-25 too. And the square root of (1 - 8.3^10^-25) is

Re: What is more primary than numbers?

2018-12-22 Thread Philip Thrift
On Saturday, December 22, 2018 at 3:42:04 AM UTC-6, Bruno Marchal wrote: > > > On 21 Dec 2018, at 03:22, Bruce Kellett > > wrote: > > > The universe we see is the only one for which we have any concrete > evidence, and that evidence is indubitable. > > > That is of course a strong evidence for

Decisions, decisions...

2018-12-22 Thread Mason Green
So I thought of an interesting problem in decision theory and/or ethics. Maybe someone’s thought along these lines before, but if so I haven’t encountered it. Suppose you have to make a decision between two options, A and B. Your credence that option A is the more ethical one is 60%, and your

Re: What is more primary than numbers?

2018-12-22 Thread Brent Meeker
On 12/22/2018 4:29 PM, Jason Resch wrote: On Fri, Dec 21, 2018 at 10:01 PM Brent Meeker > wrote: On 12/21/2018 5:43 PM, Jason Resch wrote: On Fri, Dec 21, 2018 at 12:46 PM Brent Meeker mailto:meeke...@verizon.net>> wrote: On

New equations go beyond Einstein's theory of General Relativity

2018-12-22 Thread agrayson2000
Anything new here? AG https://scitechdaily.com/new-equations-go-beyond-einsteins-theory-of-general-relativity/ -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email

Re: Decisions, decisions...

2018-12-22 Thread Brent Meeker
Why make it an ethical problem?  What if you estimate is A you have 60% chance of surviving and B your have 40% chance of surviving. Brent On 12/22/2018 9:48 PM, Mason Green wrote: So I thought of an interesting problem in decision theory and/or ethics. Maybe someone’s thought along these

Re: CMBR and Horizon Problem

2018-12-22 Thread John Clark
On Sat, Dec 22, 2018 at 10:04 PM Bruce Kellett wrote: >>Regardless of how non-uniform the entire early universe may have been if >> you kept looking at smaller and smaller volumes you'd eventually find a >> size where thing were pretty uniform. >> > > *> On what do you bas that assumption? * >

Re: CMBR and Horizon Problem

2018-12-22 Thread Bruce Kellett
On Sun, Dec 23, 2018 at 3:05 PM John Clark wrote: > On Sat, Dec 22, 2018 at 10:04 PM Bruce Kellett > wrote: > > >>Regardless of how non-uniform the entire early universe may have been >>> if you kept looking at smaller and smaller volumes you'd eventually find a >>> size where thing were pretty

Re: CMBR and Horizon Problem

2018-12-22 Thread agrayson2000
On Sunday, December 23, 2018 at 3:04:07 AM UTC, Bruce wrote: > > On Sun, Dec 23, 2018 at 1:17 PM John Clark > wrote: > >> On Sat, Dec 22, 2018 at 6:46 AM > >> wrote: >> >> *> If the temperature was non uniform when the BB occurred, if it >>> occurred, why would a sudden increase in its

Re: What is more primary than numbers?

2018-12-22 Thread Jason Resch
On Fri, Dec 21, 2018 at 9:29 PM wrote: > > > On Saturday, December 22, 2018 at 2:03:06 AM UTC, Jason wrote: >> >> >> >> On Fri, Dec 21, 2018 at 8:50 PM wrote: >> >>> >>> >>> On Saturday, December 22, 2018 at 1:42:06 AM UTC, Jason wrote: On Fri, Dec 21, 2018 at 11:40 AM John

Re: What is more primary than numbers?

2018-12-22 Thread Jason Resch
On Fri, Dec 21, 2018 at 10:01 PM Brent Meeker wrote: > > > On 12/21/2018 5:43 PM, Jason Resch wrote: > > > > On Fri, Dec 21, 2018 at 12:46 PM Brent Meeker > wrote: > >> >> >> On 12/20/2018 9:09 PM, Jason Resch wrote: >> > I am not advocating any global reference frame, just mentioning that >> >

Re: What is more primary than numbers?

2018-12-22 Thread agrayson2000
On Sunday, December 23, 2018 at 12:27:23 AM UTC, Jason wrote: > > > > On Fri, Dec 21, 2018 at 9:29 PM > wrote: > >> >> >> On Saturday, December 22, 2018 at 2:03:06 AM UTC, Jason wrote: >>> >>> >>> >>> On Fri, Dec 21, 2018 at 8:50 PM wrote: >>> On Saturday, December 22, 2018 at

Fwd: Are you smarter than a 5th grade amoeba?

2018-12-22 Thread Brent Meeker
Bruno should enjoy this. Brent Forwarded Message This is a cool bio hack, but is this approach ever going to be faster and/or cheaper than an electronic computer for the same precision of optimization?

Re: CMBR and Horizon Problem

2018-12-22 Thread John Clark
On Sat, Dec 22, 2018 at 6:46 AM wrote: *> If the temperature was non uniform when the BB occurred, if it occurred, > why would a sudden increase in its volume, aka inflation, erase or wash out > those non uniformities?* > Regardless of how non-uniform the entire early universe may have been if

Re: "No black-hole singularities" in an undated loop-quantum-gravity theory

2018-12-22 Thread Brent Meeker
On 12/22/2018 12:04 PM, Philip Thrift wrote: https://www.eurekalert.org/pub_releases/2018-12/lsu-be122018.php Theoretical physicists developed a theory called loop quantum gravity in the 1990s that marries the laws of microscopic physics, or quantum mechanics, with gravity, which explains

Re: CMBR and Horizon Problem

2018-12-22 Thread agrayson2000
On Saturday, December 22, 2018 at 10:08:37 PM UTC, Brent wrote: > > > > On 12/22/2018 3:46 AM, agrays...@gmail.com wrote: > > If the temperature was non uniform when the BB occurred, if it > > occurred, why would a sudden increase in its volume, aka inflation, > > erase or wash out those non

Re: CMBR and Horizon Problem

2018-12-22 Thread agrayson2000
On Sunday, December 23, 2018 at 2:17:14 AM UTC, John Clark wrote: > > On Sat, Dec 22, 2018 at 6:46 AM > wrote: > > *> If the temperature was non uniform when the BB occurred, if it >> occurred, why would a sudden increase in its volume, aka inflation, erase >> or wash out those non

Re: What is more primary than numbers?

2018-12-22 Thread Bruce Kellett
On Sun, Dec 23, 2018 at 11:29 AM Jason Resch wrote: > On Fri, Dec 21, 2018 at 10:01 PM Brent Meeker > wrote: > >> >> That's words. How shall they determine whether event X in distant galaxy >> Y is simultaneous with their clock reading Z? Is their "direction through >> spacetime" constant

Re: CMBR and Horizon Problem

2018-12-22 Thread Bruce Kellett
On Sun, Dec 23, 2018 at 1:17 PM John Clark wrote: > On Sat, Dec 22, 2018 at 6:46 AM wrote: > > *> If the temperature was non uniform when the BB occurred, if it >> occurred, why would a sudden increase in its volume, aka inflation, erase >> or wash out those non uniformities?* >> > > Regardless

Re: What is more primary than numbers?

2018-12-22 Thread agrayson2000
On Sunday, December 23, 2018 at 12:29:45 AM UTC, Jason wrote: > > > > On Fri, Dec 21, 2018 at 10:01 PM Brent Meeker > wrote: > >> >> >> On 12/21/2018 5:43 PM, Jason Resch wrote: >> >> >> >> On Fri, Dec 21, 2018 at 12:46 PM Brent Meeker > > wrote: >> >>> >>> >>> On 12/20/2018 9:09 PM, Jason

Re: Babbage vs Turing

2018-12-22 Thread Brent Meeker
On 12/22/2018 1:00 AM, Philip Thrift wrote: On Saturday, December 22, 2018 at 2:35:27 AM UTC-6, Philip Thrift wrote: On Saturday, December 22, 2018 at 1:13:48 AM UTC-6, agrays...@gmail.com wrote: What are the key differences between their contributions to computer

Re: What is more primary than numbers?

2018-12-22 Thread Brent Meeker
On 12/22/2018 1:42 AM, Bruno Marchal wrote: On 21 Dec 2018, at 03:22, Bruce Kellett > wrote: On Fri, Dec 21, 2018 at 1:03 PM Jason Resch > wrote: On Thu, Dec 20, 2018 at 7:05 PM Bruce Kellett mailto:bhkellet...@gmail.com>>

Re: What is more primary than numbers?

2018-12-22 Thread Brent Meeker
On 12/21/2018 10:43 AM, Bruno Marchal wrote: ... With Mechanism, physics has to be the same for all “observers” aka universal machines, and indeed physics has to be independent of the initial theory (phi_independent, or “machine independent” in the sense of theoretical computer scientist

Re: CMBR and Horizon Problem

2018-12-22 Thread Brent Meeker
On 12/22/2018 3:46 AM, agrayson2...@gmail.com wrote: If the temperature was non uniform when the BB occurred, if it occurred, why would a sudden increase in its volume, aka inflation, erase or wash out those non uniformities? ISTM, it would preserve them. It might preserve them, but it

Re: What is more primary than numbers?

2018-12-22 Thread Bruce Kellett
On Sun, Dec 23, 2018 at 9:08 AM Brent Meeker wrote: > On 12/21/2018 10:43 AM, Bruno Marchal wrote: > > > ... > > With Mechanism, physics has to be the same for all “observers” aka > universal machines, and indeed physics has to be independent of the initial > theory (phi_independent, or “machine

"No black-hole singularities" in an undated loop-quantum-gravity theory

2018-12-22 Thread Philip Thrift
https://www.eurekalert.org/pub_releases/2018-12/lsu-be122018.php Theoretical physicists developed a theory called loop quantum gravity in the 1990s that marries the laws of microscopic physics, or quantum mechanics, with gravity, which explains the dynamics of space and time. Ashtekar,