Perhaps the answer should be left to David Locklear, or perhaps Ted Kaczynski???
Jim Evatt From: Diana Tomchick Sent: April 26, 2020 12:09 PM To: [email protected] Subject: Re: [Texascavers] Micro-blasting Is this really an appropriate question for a relatively public forum? Diana ************************************************** Diana R. Tomchick Professor Departments of Biophysics and Biochemistry UT Southwestern Medical Center 5323 Harry Hines Blvd. Rm. ND10.214A Dallas, TX 75390-8816 [email protected] (214) 645-6383 (phone) (214) 645-6353 (fax) -------------------------------------------------------------------------------- From: Texascavers <[email protected]> on behalf of Marvin and Lisa <[email protected]> Sent: Sunday, April 26, 2020 12:33 PM To: [email protected] Subject: Re: [Texascavers] Micro-blasting EXTERNAL MAIL I use fast burning black powder. 3 mil nichrome wire for the igniter. It is readily available on the internet. My follow-on question is what do people use to fill the hole? I am currently using plumbers putty. Is it necessary to completely plug the hole to the surface? Marvin Miller CAUTION: This email originated from outside UTSW. Please be cautious of links or attachments, and validate the sender's email address before replying. -------------------------------------------------------------------------------- UT Southwestern Medical Center The future of medicine, today. -------------------------------------------------------------------------------- _______________________________________________ Texascavers mailing list | http://texascavers.com [email protected] | Archives: http://www.mail-archive.com/[email protected]/ http://lists.texascavers.com/listinfo/texascavers
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