December 2003 - cypherpunks-legacy

Organic Chemistry Lab Safety
by Jim Choate 17 Dec '03

17 Dec '03

Hi, The question was asked why mixing acids and bases are hazardous. Please note number 5 below. When an acid and base are mixed you get water and a salt. When water is added to acid (ie pouring a base into an acid) the heat of reaction can cause the water to get quite hot and cause the chemicals to splatter upon you. The idea is you want the acid to disolve in the water and not the other way around. Goggles, bibs, and all other reasonable safety precautions should always be used. Forwarded message: > X-within-URL: http://www.ems.uwplatt.edu/sci/chem/saf/safetyor.htm > ORGANIC CHEMISTRY LABORATORY SAFETY RULES > > * 1. Maintain a business-like attitude. Be prepared! Do not attempt > unauthorized experiments. > * 2. Wear safety goggles (eye protection) at all times when in the > laboratory. This is a departmental and state regulation. Do not > eat or drink in the lab or bring food or drink into the lab. > * 3. Know the location and use of the nearest fire extinguisher, > nearest First Aid kit, nearest eye wash station, nearest safety > shower, and nearest exit designated for evacuation. Know the > location of the Material Safety Data Sheets (MSDS) and know that > you have access to them. Know the NFPA (National Fire Protection > Association) Hazardous Material Classification Codes. > * 4. Report any accident, even minor injuries, to the instructor at > once. > * 5. When diluting acids, pour acid slowly and carefully into the > water with constant stirring. Use Pyrex and Kimax glassware and > NEVER add water to acid. Rinse acid or base Penny-Head stoppered > bottles under the faucet after each use. > * > 6. In the event that acid, base, or any corrosive liquid is spilled on > your person: > a) Flush immediately with running water at the sink. Call for > instructor. > b) Rinse area with 5% sodium bicarbonate solution. > c) Wash area with soap and water, blot dry with clean towel or > handkerchief. > d) Follow direction of lab supervisor. Check MSDS if you have > questions. > * 7. In case of an organic chemical spilled on your person, flush > with water, wash with soap, rinse with water, rinse with ethyl > alcohol, wash with soap, and rinse with water. Pat dry. Wash hands > before and after visiting toilet. Check MSDS if you have > questions. > * 8. Never taste chemicals or solutions. Minimize the inhalation of > organic vapors by using the smallest amounts of materials and > utilizing the hood as much as possible. Check MSDS if you have > questions. > * 9. Many organic compounds are either carcinogenic, mutagenic, > and/or teratogenic. Generally avoid aromatic amines and nitroso > compounds. Review the document on Chemical Exposure in Organic > Chemistry. Check the MSDS if you are not adequately aware of the > compound's properties. > * 10. In case of cuts or punctures, flush with running water, and > call for instructor or see stock room attendant on third floor for > First Aid. All punctures should be seen by the university nurse or > a physician! > * 11. Dispose of all wastes properly. Read labels on bottles! Keep > bench and floor clean. > * 12. Before leaving the laboratory, be sure that the water, steam, > heaters, and gas cocks are shut off. > > | Chemistry Home | UW-Madison Safety | sundin(a)uwplatt.edu | > > > Document Last Modified: August 26, 1997 > Copyright © 1998, University of Wisconsin - Platteville > ____________________________________________________________________ | | | The most powerful passion in life is not love or hate, | | but the desire to edit somebody elses words. | | | | Sign in Ed Barsis' office | | | | _____ The Armadillo Group | | ,::////;::-. Austin, Tx. USA | | /:'///// ``::>/|/ http://www.ssz.com/ | | .', |||| `/( e\ | | -====~~mm-'`-```-mm --'- Jim Choate | | ravage(a)ssz.com | | 512-451-7087 | |____________________________________________________________________|

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Computer makers speed up Internet [CNN]
by Jim Choate 17 Dec '03

17 Dec '03

Forwarded message: > COMPUTER, PHONE COMPANIES SEEK TO SPEED INTERNET > > graphic January 26, 1998 > Web posted at: 9:46 p.m. EST (0246 GMT) > > WASHINGTON (CNN) -- Top computer firms Compaq, Intel and Microsoft > and leading telephone and networking companies Monday announced an > alliance to promote high-speed Internet links over ordinary phone > lines. > > Telephone companies banded together and sought support from the > high-tech giants to ward off a competing scheme for faster Internet > connections relying on cable television wires. > > The phone group said it will offer the International > Telecommunications Union, which sets industry standards, a uniform > method of connecting to the Internet using "asymmetric digital > subscriber line" technology, or ADSL. Equipment makers plan to offer > products based on the standard. ____________________________________________________________________ | | | The most powerful passion in life is not love or hate, | | but the desire to edit somebody elses words. | | | | Sign in Ed Barsis' office | | | | _____ The Armadillo Group | | ,::////;::-. Austin, Tx. USA | | /:'///// ``::>/|/ http://www.ssz.com/ | | .', |||| `/( e\ | | -====~~mm-'`-```-mm --'- Jim Choate | | ravage(a)ssz.com | | 512-451-7087 | |____________________________________________________________________|

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Intel drops prices [CNN]
by Jim Choate 17 Dec '03

17 Dec '03

Forwarded message: > Company cuts price tag of older models > by up to 51 percent > > January 26, 1998: 9:14 p.m. ET > > > Intel > More related sites... SAN FRANCISCO (Reuters) - Semiconductor giant > Intel Corp. Monday unveiled its fastest version of the Pentium II > processor for desktop computers, servers and workstations and cut > prices on older chips by up to 51 percent. > [INLINE] Several major PC makers introduced new PCs, servers and > workstations around the new Pentium II chip, which runs at 333 > megahertz, and is priced at $721 each, in units of 1,000. > [INLINE] Hewlett-Packard Co., Packard Bell NEC Inc. and Gateway 2000 > Inc. unveiled new computers using the 333-megahertz processor on > Monday, some with prices starting at around $2,800. [text deleted] ____________________________________________________________________ | | | The most powerful passion in life is not love or hate, | | but the desire to edit somebody elses words. | | | | Sign in Ed Barsis' office | | | | _____ The Armadillo Group | | ,::////;::-. Austin, Tx. USA | | /:'///// ``::>/|/ http://www.ssz.com/ | | .', |||| `/( e\ | | -====~~mm-'`-```-mm --'- Jim Choate | | ravage(a)ssz.com | | 512-451-7087 | |____________________________________________________________________|

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RE: Announcement: RPK InvisiMail released on 12 Jan, 1998
by Bill Stewart 17 Dec '03

17 Dec '03

Thanks for an interesting perspective on working with NZ's export bureaucrats. At 04:59 PM 1/26/98 -0800, Jack Oswald <joswald(a)rpkusa.com> wrote: >Bill - The technology that we export as part of RPK InvisiMail, is >world-class strong crypto. Key size options are 607 bits and 1279. The >math behind the system is based on the same as that of D-H. There is no >snake oil. There was no intentional or unintentional attempt to mislead >any government authority. We also did not request an export license, >because there is no need to do so in New Zealand as long as the export is >by means of the Internet. Peter G. knows this as well. The story may be >different for physical export on disk, disc or tape, although we cannot >concur with Peter's personal experience. Our experience is that we get >pretty good treatment from the NZ authorities. We also may use a different >approach. I have often heard that you can often get a better response when >using honey than vinegar. Therein may explain differences in our Thanks! Bill Bill Stewart, bill.stewart(a)pobox.com PGP Fingerprint D454 E202 CBC8 40BF 3C85 B884 0ABE 4639

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Re: Response to ticket 012398-6918-403
by kozmo killah 17 Dec '03

17 Dec '03

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Just a Reminder...
by mall＠daltek.net 17 Dec '03

17 Dec '03

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ULotD? Cuban Tattoos.
by Robert Hettinga 17 Dec '03

17 Dec '03

A bit o'apocrypha for a Monday evening... Cheers, Bob --- begin forwarded text Resent-Date: Tue, 27 Jan 1998 11:27:25 -0500 X-Authentication-Warning: qnx.com: localhost [127.0.0.1] didn't use HELO protocol To: 0xdeadbeef(a)substance.abuse.blackdown.org Cc: bostic(a)bsdi.com Subject: ULotD? Cuban Tattoos. Date: Tue, 27 Jan 1998 10:14:12 -0500 From: glen mccready <glen(a)qnx.com> Resent-From: 0xdeadbeef(a)substance.abuse.blackdown.org X-Mailing-List: <0xdeadbeef(a)substance.abuse.blackdown.org> archive/latest/2668 X-Loop: 0xdeadbeef(a)substance.abuse.blackdown.org Precedence: list Resent-Sender: 0xdeadbeef-request(a)substance.abuse.blackdown.org Forwarded-by: Arunas Norvaisa <arunas(a)witty.com> There was a guy in Florida, Cuban by nationality, who had been unable to get US citizenship and was due to be deported. A couple of MIT students, who had heard about this guy and were after a lark, hopped a plane down to Florida and took this guy to a tatoo studio. What they tatooed on to him was the DES algorithm, in some computer readable form. Thus rendering the guy unexportable. The US government offered to scrape the tatoos off, but they guy's lawyers screamed something about human rights abuses. The way I heard it, the guy was eventually granted citizenship. --- end forwarded text ----------------- Robert Hettinga (rah(a)shipwright.com) Philodox e$, 44 Farquhar Street, Boston, MA 02131 USA "... however it may deserve respect for its usefulness and antiquity, [predicting the end of the world] has not been found agreeable to experience." -- Edward Gibbon, 'Decline and Fall of the Roman Empire' The e$ Home Page: http://www.shipwright.com/ Ask me about FC98 in Anguilla!: <http://www.fc98.ai/>

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by eureka＠eureka.abc-web.com 17 Dec '03

17 Dec '03

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Re: Physical Meet: Feb. 21 (fwd)
by Jim Choate 17 Dec '03

17 Dec '03

Forwarded message: > Date: Tue, 27 Jan 1998 11:28:34 -0600 > From: "Troy A. Bollinger" <troy(a)austin.ibm.com> > Subject: Re: Physical Meet: Feb. 21 > Quoting Jim Choate (ravage(a)ssz.com) > > > > Ok, looks like the magic day is Saturday Feb. 21, 1998 from 6-7pm. > > > > So, now all we need is a place... > > > > Flipnotics worked last time. > > I'd like to suggest that everyone bring a printout of their PGP > fingerprint so we can sign each other's keys. I think I can make this one. I don't have any interest in signing or being signed however, thanks for the offer. ____________________________________________________________________ | | | The most powerful passion in life is not love or hate, | | but the desire to edit somebody elses words. | | | | Sign in Ed Barsis' office | | | | _____ The Armadillo Group | | ,::////;::-. Austin, Tx. USA | | /:'///// ``::>/|/ http://www.ssz.com/ | | .', |||| `/( e\ | | -====~~mm-'`-```-mm --'- Jim Choate | | ravage(a)ssz.com | | 512-451-7087 | |____________________________________________________________________|

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Re: Video & cryptography...
by nobody＠REPLAY.COM 17 Dec '03

17 Dec '03

Remember what your target is here. (Focus, Pinky!) The ultimate goal is that you're trying to convict a suspect of some wrongdoing in a courtroom, and you would like to use as evidence a piece of video footage. But now, in addition to the old standard of "chain of possession" whereby a police officer logs when s/he receives the evidence, who has accessed it in the lab, storage, etc., you may now be required to establish the "truth" of the video -- was it forged, staged, or altered? Can the defense convince a jury that a video is not what it appears to be? Look at the O.J. case where they convinced people that a piece of DNA might not have been his. What a load of malarkey they heaped upon those people, and shame on the prosecution for not going back and matching up another 50 markers, dropping the chances of an error from 1 in 3*10^12 to 1 in 3*10^60. (Ultimately, it wouldn't have mattered of course because they pointed out other "flaws" in the chain of possession, specifically the FBI crime lab. Why they might have had a *different* case with O.J.'s blood is beyond me... They could have retested the DNA from every cell in evidence on that trial, found only Nicole's, Goldman's and Simpson's DNA, and STILL they would have gotten it thrown out, because jurors are incapable of understanding math.) What this means to us is that, in a courtroom, a signed piece of digital tape will probably be accepted the same as an unsigned piece of analog tape. The courts have already established precedent that says that the scientific method has less value than an overpriced lawyer. Think about it: what we strive for as a cryptographic proof means less than the unsworn audio tape from a 21 year old intern. If some lawyer wants to challenge a piece of video, and can throw enough money at it, s/he's going to win. You're better off spending money training the persons operating the VCR, because that's the defense's next point of attack. The idea behind the digitally signed video frames is that the video "consumer" (the persons who shot and recorded the video) probably didn't edit the video to falsify some evidence, and that the person who built the camera is willing to go to court to testify that their video is not tampered with. As a video "consumer", you're willing to pay for a witness from the video equipment supplier to come testify that you didn't edit their video. It theoretically (in a certain, very limited subset of theory) eliminates the "Rising Sun" plotline where someone edited the digital video. Now, we all know that since you can falsify the video by all kinds of other means, the only thing it really accomplishes is it adds a float to the parade going past the jury. And whoever has the prettiest parade wins "justice", right? At 05:02 PM 1/26/98 -0500, Adam Shostack wrote: >Jim Choate wrote: >| > From: Adam Shostack <adam(a)homeport.org> >| > Subject: Re: Video & cryptography... >| > Date: Mon, 26 Jan 1998 13:56:57 -0500 (EST) >| >| > Schneier, Wagner and Kelsey have done some work on an authenticating >| > camera. > >Dave points out that this was Schneier, Hall and Kelsey. > >| > One issue to be concerned with is that what the camera sees is not >| > always the truth. Putting a film set together to film bigfoot is >| > easy. The fact that the film is authenticated as having come from the >| > camera doesn't mean a whole lot in some cases. >| >| Doesn't this same sort of issue arise from any other digital signature >| process then? There should be nothing fundamentaly different between the >| characteristics of a video camera signing a frame than a person signing >| email. > > It arises in a different context; with a signature on paper, >you're generally indicating that you've read and consented to whats on >the paper, not that you created it. The meaning of a camera signing a >video still is not obvious to me. Is it intended to be 'this is what >we saw through the lens?' or 'this is what really happened?' > >Adam

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