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June 1999 Vol. 14, No. 6   RSS Feed for Undercurrent Issues
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NASA, Spit, Soap, and Olive Oil

Contents of this Issue:
All publicly available

Return to Fiji Aboard the Naia

NASA, Spit, Soap, and Olive Oil

Fiji Insider Travel Tips

Travel Updates

Reader's Travel Tip

New Credit Card Fees

Inflatable Sharks

After Divers Die

Are Rebreathers Safe?

Jellyfish Sting


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Ben Davison

Publisher and Editor

Undercurrent

3020 Bridgeway, Suite 102

Sausalito, CA 94965

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from the June, 1999 issue of Undercurrent   Subscribe Now

Did you know NASA spent millions of dollars trying to develop a substance to prevent space suit face plates from steaming up but ended up using Lemon Fresh Joy? Spit also prevents condensation because saliva creates a surface film on the glass that prevents water from forming into drops.

These facts were among several presented by Dr. Robert E. Baier at the Great Lakes Chapter of the Underwater Hyperbaric Medical Society.

Baier also noted a practice formerly employed by sponge divers when they made breath-hold dives to harvest sponges. The divers would hold a mouthful of olive oil and release it underwater, forming an oil slick on the surface above. The oil calmed the surface and prevented surface irregularities from scattering the suns rays, which ultimately allowed more sunlight to get through to the bottom.

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