Archive | Sci-Tech

2017 Hawaii Next 50 Contest Winners

Dempsey of Kealakehe High School honored with other students in Honolulu

Third annual contest involved finding technology solutions to address affordable housing, food sustainability or creation of innovative industries.

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Volcano Watch: Volcanic explosions provide the foundation for agriculture

In the plantation era, a great amount of effort and capital was invested in creating a series of water tunnels to capture groundwater in Ka‘u. Each supplied between 80,000 to 1,200,000 gallons of water per month.

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Volcano Watch: Kilauea activity update for March 23, 2017

Kīlauea continues to erupt at its summit and East Rift Zone. This past week, the summit lava lake level varied between about 14 and 32 m (46 – 105 ft) below the vent rim.

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Volcano Watch: Kīlauea Volcano’s summit eruption in Halemaʻumaʻu Crater reaches 9th anniversary

Kīlauea Volcano’s summit eruption in Halemaʻumaʻu Crater began in March 2008. Since that time, countless changes have occurred.

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Volcano Watch: Kilauea activity update for March 16, 2017

The 61g flow was still active, with lava entering the ocean near Kamokuna and small surface breakouts downslope of Puʻu ʻŌʻō on the pali and the coastal plain.

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Volcano Watch: Kilauea activity update for March 9, 2017

Kīlauea continues to erupt at its summit and East Rift Zone. This past week, the summit lava lake level varied between about 13 and 34 m (43-112 ft) below the vent rim.

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Volcano Watch: Recent collapses at the Kamokuna ocean entry underscore on-going hazard

Lava deltas are inherently unstable. They are typically built on top of loose rock fragments that form when the incoming lava hits cold ocean water and shatters.

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Volcano Watch: Kilauea activity update for March 2, 2017

Kīlauea continues to erupt at its summit and East Rift Zone. This past week, the summit lava lake level varied between about 20 and 30 m (66–98 ft) below the vent rim.

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Volcano Watch: Pulsing magma supply detected at Kīlauea

(Volcano Watch is a weekly article written by scientists at the U.S. Geological Survey’s Hawaiian Volcano Observatory.) This is the story of how a new concept—slowly pulsing magma supply to Kīlauea—emerged from observations of the Overlook lava lake in Halemaʻumaʻu. Every weekday volcanic ash is collected from 10 buckets near the lava lake. Gas bubbles […]

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Why is it Dark at Night? A Modern Look at Olber’s Paradox presentation

Dr. Tom Geballe will discuss Olber’s Paradox: a historical argument that states the darkness of the night sky conflicts with the assumption of an infinite and eternal “static universe”. Olber’s Paradox argues that if the universe is populated by an infinite amount of stars, and if the universe has existed for an infinite amount of […]

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Posted in Astronomy, Education, Sci-Tech0 Comments

Wednesday (February 22, 2017), the breakout along the eastern edge of Kīlauea Volcano's episode 61g flow remains active and had advanced approximately 570 m (620 yards) since it was last mapped on February 14. The flow front consisted of sluggish, oozing pāhoehoe that was approximately 730 m (0.5 miles) from the ocean and 540 m (0.3 miles) from the emergency route road. Channelized lava flows have been recently reported on Pūlama pali, but no active channels were seen by HVO geologists while working in the area this afternoon. They did, however, observe scattered breakouts on the pali. Photo taken Wednesday, February 22, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for February 23, 2017

The 61g flow was still active, with lava entering the ocean near Kamokuna and surface breakouts downslope of Pu‘u ‘Ō‘ō and on the coastal plain about 730 m (about 0.5 mi) inland of the ocean.

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Posted in Featured, Gallery, Photographs, Sci-Tech, Videos, Volcano0 Comments

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Volcano Watch: Remotely measuring the temperature of Kīlauea lava

A remote sensing instrument that can determine the temperature of distant objects based on their incandescent color is called an optical pyrometer. “Remote sensing” refers to the use of imaging technology that acts as extensions of our eyes.

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Mar 29, 2017 / 10:47 am

 

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