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The Door of Knowledge will open with a push!
Here it comes. Here is the first push of a different sort.
Hic incipit.
Hic est primus dies mei aeternum.
Ut salutaret eum per dies resurgam.
Somnis magico umbra sequitur.
Start here.
This is the first day of my eternity.
I will rise to greet each day.
My dreams will follow the magic twilight.
Beauty and the Beast: A quick morning walk on the beach today under a beautiful sky, however the tide had brought in an unusually large amount of debris and plastic and I’m afraid to say that the Beast needs to change. Needs to stop filling our oceans with waste, stop dropping litter, stop using single use plastic and start caring for this Beauty that is our planet. #planetearth #saveourplanet #saveouroceans #cleanup #change #starthere
The numbers are getting closer!
My brother got this for me for Christmas. I didn't totally pick this out ;)
Sorry so simple, I went skating today, and shopping for my birthday party tomorrow!
Young seedling RED IRONBARK (Eucalyptus sideroxylon).
Rowan Reid:
Red Ironbark is an excellent timber and highly regarded for almost every purpose from firewood and landscaping through to high value appearance grade timber. The common name, Red Ironbark, refers to at least three equally important tree species: Eucalyptus tricarpa, Eucalyptus sideroxylon and Eucalyptus crebra. In all cases the timber is dark red and has Class 1 durability (Life expectancy of over 25 years in the ground).
Red Ironbark does grow in plantations. Early growth rates are slow compared to the high rainfall eucalypts but it is during the dry years that the Red Ironbark proves its worth: I’ve seen many low rainfall sites where Blue Gum and Flooded Gum died out during the drought but the Red Ironbark just kept on growing. Add to this its tolerance of water logging and frost and you have an ideal species for poor, infertile shallow soils (sands, gravels, ironstones and clays) which should never have been cleared for farming.
Eucalyptus sideroxylon 'Rosea', or red ironbark, is a common California landscape tree. It can be either dense or open, slender or squat, weeping or upright in its native inland habitat on poor shallow soils, from New South Wales to Victoria. Best used as a street tree or specimen tree, it becomes chlorotic in wet heavy soil. From fall to spring, it produces fluffy pink to red flowers in hanging clusters. Its most recognizable feature is its furrowed black bark.
The relative density and weight (mass) of different woods
(or other substances) can be compared mathematically:
Probably the best way to appreciate the relative hardness of different woods is the concept of "specific gravity," a numerical scale based on 1.0 for pure water. Without getting too mathematical, the specific gravity of a substance can easily be calculated by dividing its density (in grams per cubic centimeter) by the density of pure water (one gram per cubic centimeter). The brilliant Greek mathematician and inventor Archimedes discovered over 2,100 years ago that a body in water is buoyed up by a force equal to weight of the water displaced. Archimedes reportedly came upon this discovery in his bathtub, and ran out into the street without his clothing shouting "Eureka, I have found it." Since one gram of pure water occupies a volume of one cubic centimeter, anything having a specific gravity greater than 1.0 will sink in pure water. The principles of buoyancy and specific gravity are utilized in many ways, from scuba diving and chemistry to the hardness of dry, seasoned wood. Some of the heaviest hardwood trees and shrubs of the United States have specific gravities between 0.80 and 0.95; including shagbark hickory (Carya ovata), persimmon (Diospyros virginiana) and ironwood (Ostrya virginiana) of the eastern states, and canyon live oak (Quercus chrysolepis), Engelmann oak (Q. engelmannii), hollyleaf cherry (Prunus ilicifolia) and Santa Cruz Island ironwood (Lyonothamnus floribundus ssp. asplenifolius) of southern California.
Eucalyptus sideroxylon has a relative density of 1.17, it will not float in water.
Red Ironbark METRIC JANKA RATING = 13
Red Ironbark IMPERIAL JANKA RATING = 2922
Young seedling RED IRONBARK (Eucalyptus sideroxylon).
Rowan Reid:
Red Ironbark is an excellent timber and highly regarded for almost every purpose from firewood and landscaping through to high value appearance grade timber. The common name, Red Ironbark, refers to at least three equally important tree species: Eucalyptus tricarpa, Eucalyptus sideroxylon and Eucalyptus crebra. In all cases the timber is dark red and has Class 1 durability (Life expectancy of over 25 years in the ground).
Red Ironbark does grow in plantations. Early growth rates are slow compared to the high rainfall eucalypts but it is during the dry years that the Red Ironbark proves its worth: I’ve seen many low rainfall sites where Blue Gum and Flooded Gum died out during the drought but the Red Ironbark just kept on growing. Add to this its tolerance of water logging and frost and you have an ideal species for poor, infertile shallow soils (sands, gravels, ironstones and clays) which should never have been cleared for farming.
Eucalyptus sideroxylon 'Rosea', or red ironbark, is a common California landscape tree. It can be either dense or open, slender or squat, weeping or upright in its native inland habitat on poor shallow soils, from New South Wales to Victoria. Best used as a street tree or specimen tree, it becomes chlorotic in wet heavy soil. From fall to spring, it produces fluffy pink to red flowers in hanging clusters. Its most recognizable feature is its furrowed black bark.
The relative density and weight (mass) of different woods
(or other substances) can be compared mathematically:
Probably the best way to appreciate the relative hardness of different woods is the concept of "specific gravity," a numerical scale based on 1.0 for pure water. Without getting too mathematical, the specific gravity of a substance can easily be calculated by dividing its density (in grams per cubic centimeter) by the density of pure water (one gram per cubic centimeter). The brilliant Greek mathematician and inventor Archimedes discovered over 2,100 years ago that a body in water is buoyed up by a force equal to weight of the water displaced. Archimedes reportedly came upon this discovery in his bathtub, and ran out into the street without his clothing shouting "Eureka, I have found it." Since one gram of pure water occupies a volume of one cubic centimeter, anything having a specific gravity greater than 1.0 will sink in pure water. The principles of buoyancy and specific gravity are utilized in many ways, from scuba diving and chemistry to the hardness of dry, seasoned wood. Some of the heaviest hardwood trees and shrubs of the United States have specific gravities between 0.80 and 0.95; including shagbark hickory (Carya ovata), persimmon (Diospyros virginiana) and ironwood (Ostrya virginiana) of the eastern states, and canyon live oak (Quercus chrysolepis), Engelmann oak (Q. engelmannii), hollyleaf cherry (Prunus ilicifolia) and Santa Cruz Island ironwood (Lyonothamnus floribundus ssp. asplenifolius) of southern California.
Eucalyptus sideroxylon has a relative density of 1.17, it will not float in water.
Red Ironbark METRIC JANKA RATING = 13
Red Ironbark IMPERIAL JANKA RATING = 2922
Young seedling RED IRONBARK (Eucalyptus sideroxylon).
Rowan Reid:
Red Ironbark is an excellent timber and highly regarded for almost every purpose from firewood and landscaping through to high value appearance grade timber. The common name, Red Ironbark, refers to at least three equally important tree species: Eucalyptus tricarpa, Eucalyptus sideroxylon and Eucalyptus crebra. In all cases the timber is dark red and has Class 1 durability (Life expectancy of over 25 years in the ground).
Red Ironbark does grow in plantations. Early growth rates are slow compared to the high rainfall eucalypts but it is during the dry years that the Red Ironbark proves its worth: I’ve seen many low rainfall sites where Blue Gum and Flooded Gum died out during the drought but the Red Ironbark just kept on growing. Add to this its tolerance of water logging and frost and you have an ideal species for poor, infertile shallow soils (sands, gravels, ironstones and clays) which should never have been cleared for farming.
Eucalyptus sideroxylon 'Rosea', or red ironbark, is a common California landscape tree. It can be either dense or open, slender or squat, weeping or upright in its native inland habitat on poor shallow soils, from New South Wales to Victoria. Best used as a street tree or specimen tree, it becomes chlorotic in wet heavy soil. From fall to spring, it produces fluffy pink to red flowers in hanging clusters. Its most recognizable feature is its furrowed black bark.
The relative density and weight (mass) of different woods
(or other substances) can be compared mathematically:
Probably the best way to appreciate the relative hardness of different woods is the concept of "specific gravity," a numerical scale based on 1.0 for pure water. Without getting too mathematical, the specific gravity of a substance can easily be calculated by dividing its density (in grams per cubic centimeter) by the density of pure water (one gram per cubic centimeter). The brilliant Greek mathematician and inventor Archimedes discovered over 2,100 years ago that a body in water is buoyed up by a force equal to weight of the water displaced. Archimedes reportedly came upon this discovery in his bathtub, and ran out into the street without his clothing shouting "Eureka, I have found it." Since one gram of pure water occupies a volume of one cubic centimeter, anything having a specific gravity greater than 1.0 will sink in pure water. The principles of buoyancy and specific gravity are utilized in many ways, from scuba diving and chemistry to the hardness of dry, seasoned wood. Some of the heaviest hardwood trees and shrubs of the United States have specific gravities between 0.80 and 0.95; including shagbark hickory (Carya ovata), persimmon (Diospyros virginiana) and ironwood (Ostrya virginiana) of the eastern states, and canyon live oak (Quercus chrysolepis), Engelmann oak (Q. engelmannii), hollyleaf cherry (Prunus ilicifolia) and Santa Cruz Island ironwood (Lyonothamnus floribundus ssp. asplenifolius) of southern California.
Eucalyptus sideroxylon has a relative density of 1.17, it will not float in water.
Red Ironbark METRIC JANKA RATING = 13
Red Ironbark IMPERIAL JANKA RATING = 2922
Not all cover ideas make it. Sometimes they just don't fit the concept, but you have to play it out anyway.
I have a minor obsession with stationary, especially notebooks. This pile is all the notebook I currently use.
The Central Pacific Railroad took an avid interest in the eucalyptus. The railroad constantly needed materials for its lines primarily for ties, poles, posts, and firewood. The eucalyptus conceivably could produce these necessary supplies according to contemporary information. The railroad also wanted to attract settlers to buy railroad land adjacent to the tracks. The plan was to beautify the barren landscape with fast-growing eucalyptus as an enticement.
In 1877, Assistant Chief Engineer for the Central Pacific Railroad, J.D. Scupham, bought 40,000 eucalyptus seedlings, mostly blue gum, from nurseries in Oakland and Hayward. The railroad planted the seedlings in the San Joaquin Valley and in some instances near wells as an attraction to settlers. The next year, 250,000 seedlings were bought from Locke of Pasadena and 300,000 from George Baxter of Hayward. In the two year planting program, the railroad planted about one million trees. The program was a bust though. Soon it was discovered that eucalyptus ties would crack and check if not seasoned properly. These ties could not hold a spike in place securely which was obviously of great importance to track stability. The eucalyptus wood also rotted away easily.78 Thus ended the first real experiment of eucalyptus for an industrial purpose. Decades later the Santa Fe Railroad would curiously repeat the exact same experience. Government agencies continued their support of eucalyptus through their informative literature and seed distribution programs. For example, the State Forestry Commission sold seeds at a very low price of the better eucalyptus species. The University of California had a program of offering free seed to interested growers.79 Experiment stations were also established by the government.
Santos, Robert L. "The Eucalyptus of California" California State University, Stanislaus. Internet.
Red Ironbark METRIC JANKA RATING = 13
Red Ironbark IMPERIAL JANKA RATING = 2922
Alex (right) and Brett Harris (left), authors of DO HARD THINGS and founders of The Rebelution, recording the audio of their second book, start here. These 19 year olds have started a movement calling their fellow teenagers to "rebel" against low expectations and work for change in the world. Check out their work here: www.therebelution.com/about/rebelution.htm.
The Central Pacific Railroad took an avid interest in the eucalyptus. The railroad constantly needed materials for its lines primarily for ties, poles, posts, and firewood. The eucalyptus conceivably could produce these necessary supplies according to contemporary information. The railroad also wanted to attract settlers to buy railroad land adjacent to the tracks. The plan was to beautify the barren landscape with fast-growing eucalyptus as an enticement.
In 1877, Assistant Chief Engineer for the Central Pacific Railroad, J.D. Scupham, bought 40,000 eucalyptus seedlings, mostly blue gum, from nurseries in Oakland and Hayward. The railroad planted the seedlings in the San Joaquin Valley and in some instances near wells as an attraction to settlers. The next year, 250,000 seedlings were bought from Locke of Pasadena and 300,000 from George Baxter of Hayward. In the two year planting program, the railroad planted about one million trees. The program was a bust though. Soon it was discovered that eucalyptus ties would crack and check if not seasoned properly. These ties could not hold a spike in place securely which was obviously of great importance to track stability. The eucalyptus wood also rotted away easily.78 Thus ended the first real experiment of eucalyptus for an industrial purpose. Decades later the Santa Fe Railroad would curiously repeat the exact same experience. Government agencies continued their support of eucalyptus through their informative literature and seed distribution programs. For example, the State Forestry Commission sold seeds at a very low price of the better eucalyptus species. The University of California had a program of offering free seed to interested growers.79 Experiment stations were also established by the government.
Santos, Robert L. "The Eucalyptus of California" California State University, Stanislaus. Internet.
Red Ironbark METRIC JANKA RATING = 13
Red Ironbark IMPERIAL JANKA RATING = 2922