Woolly Geranium – Geranium erianthum
Woolly Geranium – Geranium erianthum

The woolly geranium (or northern geranium, cranesbill) is a tall purple-flowered perennial native to Alaska, parts of Canada, and Asia. Photos and identification info.

aurora borealis over fairbanks alaska
What Causes the Aurora

A basic, yet comprehensive explanation of what causes the aurora. Tying together the solar wind, geomagnetic field, Van Allen belts, atomic energy states, and the electromagnetic spectrum.

Review: Tokina 11-16mm f/2.8 AT-X116 Pro DX II Digital Zoom Lens

My review of the Tokina 11-16mm f/2.8 wide angle lens. A great lens for aurora and night sky photography! Gallery with some sample images.

Mountain death camas – Anticlea elegans
Mountain death camas – Anticlea elegans

Mountain death camas is a lily-like white flowering plant in moist grasslands. The whole plant is very toxic to humans and livestock.

Mountain harebell – Campanula lasiocarpa
Mountain harebell – Campanula lasiocarpa

Mountain harebell is a small, flowering alpine plant typically 5-15 cm (2-6 in) tall. The flower is a solitary violet upright bell about 2.5-4 cm (1-1.5 inches) long.

Arctic Daisy – Chrysanthemum arcticum
Arctic Daisy – Chrysanthemum arcticum

The arctic daisy (Chrysanthemum arcticum) is a 10-45 cm (4-18 in) tall perennial herb with white ray florets and yellow disk florets.

Plotting Simple Functions

The following are a few examples of how to create a simple plot in Matlab/Octave, Python3, and Julia. I made a similar look between all three programs, trying to keep each as close to the defaults as possible, although all...

A hiker on the Gulkana Glacier
Late summer day hikes around Fairbanks

Late summer day-hiking near Fairbanks in 2020. Photos from the Gulkana Glacier, Nome Creek, Creamer's Field, and Angel Rocks.

Ice Crystals in R-Channels
Ice Crystals in R-Channels

Photos and brief description of ice crystal growth in an R-channel, or Röthlisberger style subglacial channel in winter - Castner Glacier - Alaska Range

Bitter fleabane – Erigeron acris
Bitter fleabane – Erigeron acris

Bitter fleabane or blue fleabane is a flowering herbaceous plant with many small, purple flowers. It goes to seed like a dandelion with many fine white filaments.

Mt. Healy, High Blood Pressure, and Not COVID – July 2020
Mt. Healy, High Blood Pressure, and Not COVID – July 2020

In late July, Cat and I attempted to hike Mt. Healy via Bison Gulch, just south of Healy, Alaska. It gets added to the list of failed attempts on my list for 2020. This just isn't a good year. This...

Arctic willow in the White Mountains in the Alaska interior
Arctic willow – Salix arctica

Arctic willow is a creeping dwarf shrub with catkins that are absent of sepals or petals. It is distributed throughout the arctic, including Alaska.

Common yarrow flower in Fairbanks, Alaska
Common Yarrow – Achillea millefolium

Common yarrow is a tall, weedy plant with a dense cluster of small, white flowers at the head. It may have antioxidant and anti-inflammatory effects and has traditionally been used as a tea or medicine.

Brands I Trust

A few of the brands I trust - Since I am writing gear reviews on equipment I use, a few brand names will keep reappearing. Here's a few points on picking brands and staying unbiased when purchasing new products.

Wood frog in Fairbanks, Alaska
Wood Frog – Lithobates sylvaticus

The wood frog is the furthest north living amphibian on the planet. It has the remarkable ability of being able to freeze solid over winter and re-wake after thawing in the spring.

Shrubby cinquefoil flower blooming in the White Mountain National Recreation Area of the interior of Alaska.
Shrubby Cinquefoil – Dasiphora fruticosa

Shrubby cinquefoil is a shrubby plant growing about 1 m tall. The shrub is densely leafed with many small, buttercup-shaped, yellow flowers.

Flower of western arctic shootingstar in the interior of Alaska
Western arctic shootingstar – Primula frigida

The western arctic shootingstar (sometimes frigid shootingstar) has a magenta or pink flower, shaped like a dart. Identification info and story around the name.

Alpine sweetvetch – Hedysarum alpinum
Alpine sweetvetch – Hedysarum alpinum

Alpine sweetvetch, often known as wild potato or eskimo potato is a perennial herb with many small pink flowers on a raceme. The root is edible, but seed contains L-canavanine, that may have led to the death of Christopher McCandless.

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