HP Dragonfly Pro 14 laptop will ship this spring with Windows (AMD) or ChromeOS (Intel)

HP has been using the Dragonfly name for a series of thin and light laptops and tablets over the past few years. But so far the Dragonfly brand has been limited to HP’s business-class mobile computers. Now the company is introducing its first co…

HP has been using the Dragonfly name for a series of thin and light laptops and tablets over the past few years. But so far the Dragonfly brand has been limited to HP’s business-class mobile computers. Now the company is introducing its first consumer-oriented Dragonfly PCs, starting with the HP Dragonfly Pro Windows laptop and the HP […]

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HP Dragonfly G4 is a 2.2 pound business laptop built for collaboration

The new HP Dragonfly G4 is a compact business laptop that packs a 13.5 inch display into a body that measures less than 0.7 inches thick and has a starting weight of 999 grams (about 2.2 pounds). Powered by a 13th-gen Intel “Raptor Lake” p…

The new HP Dragonfly G4 is a compact business laptop that packs a 13.5 inch display into a body that measures less than 0.7 inches thick and has a starting weight of 999 grams (about 2.2 pounds). Powered by a 13th-gen Intel “Raptor Lake” processor and supporting up to 32GB of LPDDR5 RAM and 2TB of PCIe […]

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HP 14 inch Eco Edition is a Raptor Lake laptop made with recycled materials

The HP 14 inch Laptop – Eco Edition is a compact Windows laptop with up to an Intel Core i7-1360P processor, 16GB of RAM and 1TB of solid state storage. But it’s what the laptop’s made of that sets it apart: HP is branding this notebo…

The HP 14 inch Laptop – Eco Edition is a compact Windows laptop with up to an Intel Core i7-1360P processor, 16GB of RAM and 1TB of solid state storage. But it’s what the laptop’s made of that sets it apart: HP is branding this notebook an Eco Edition because up to 25 percent of the […]

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How a vanished Ice Age lake shaped the past and present of Missoula, Montana

The massive lake that fueled unimaginable floods refilled and emptied many times.

Image of a grassy hillside with a series of natural steps cut into it.

Enlarge / Past shorelines left deposits that are still visible on the hills near the Missoula Valley. (credit: Richard Forbes)

Had the city of Missoula, Montana, existed thousands of years ago, it would have been under water.

During the last Ice Age, a sheet of ice 20 miles wide got stuck in the Idaho panhandle and blocked the Clark Fork River, creating glacial Lake Missoula. At its highest, the water level reached 4,250 feet above sea level—over 1,000 feet above the present city’s altitude. The ice sheet ultimately gave way to the pressure of the water, and glacial Lake Missoula drained catastrophically.

It’s estimated that the biggest flood discharge reached 386 million cubic feet per second. At that rate, it took the lake only a few days to drain, with its waters eventually reaching the Pacific Ocean.

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