ONE HUNDRED YEARS AGO, THE U.S. Navy commissioned one of the most unusual-and controversial-ships ever to enter the fleet. The USS Jupiter, a veteran coal transport, emerged from the shipyards at Portsmouth, Virginia, and was transformed into the new USS Langley, the Navy's first true aircraft carrier.
Today, the carrier is still the centerpiece of the battle fleet, and the service's carriers still have the same mission: to project air power from the sea. And while bigger and more capable than ever, carriers are also more expensive and vulnerable than ever.
New threats from Russia and China could spell the end of carriers, or force them to innovate into a new craft that will continue to dominate the maritime domain.
TODAY'S CARRIERS
The U.S. Navy operates a fleet of 11 aircraft carriers, 10 Nimitz-class carriers, and a new Ford-class carrier. All are nuclear powered and typically embark a carrier air wing of dozens of aircraft, including the likes of F/A/-18E/F Super Hornets, F-35C Joint Strike Fighters, and Seahawk helicopters.
Ten are based in the United States, split between the coasts. One carrier, the USS Ronald Reagan, is homeported at Yokosuka, Japan. At least three carriers are at sea at all times, with another three returning from a deployment or preparing for one. The remaining carriers are typically undergoing lengthy overhaul and modernization processes that leave them undeployable for two to four years.
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Denne historien er fra May - June 2022-utgaven av Popular Mechanics.
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Whether We Live in a Simulation - scientist Melvin Vopson, PhD, studies this exact thing- the possibility that the universe might indeed be a digital facsimile. And he claims to have evidence.
In the 1999 film the Matrix, Neo discovers A truth to end all truths-the universe is a simulation. While this premise provides fantastic sci-fi fodder, the idea isn't quite as relegated to the fiction section as one might expect. . In fact, University of Portsmouth scientist Melvin Vopson, PhD, studies this exact thing- the possibility that the universe might indeed be a digital facsimile. And he claims to have evidence.
The Ancient Language of Easter Island - Today, humans inhabit- or have, at the very least, explored- pretty much every corner of the planet. But that immense proliferation of Homo sapiens across the globe was a slow process.
With the first humans leaving Africa between 60,000 and 120,000 years ago, the species slowly spread across the Earth over many millennia. And one of the last places these ancient humans made their way to was the southeastern Pacific island of Rapa Nui, known more broadly as Easter Island.Located 2,360 miles off the coast of Chile, Rapa Nui is one of the most isolated places in the world. Its native people, who are also named the Rapa Nui, first arrived on the island's shores between A.D. 1150 and 1280, and lived in isolation until the arrival of Dutch navigator Jacob Roggeveen in 1722.
Underwater UFOs - A retired U.S. Navy admiral believes that the government should look to the oceans to help solve a mystery in the skies.
A retired U.S. Navy admiral believes that the government should look to the oceans to help solve a mystery in the skies. Rear Admiral Timothy Gallaudet, former Oceanographer of the U.S. Navy, recently published a paper arguing that unidentified anomalous phenomena (UAP, more commonly referred to as UFO) and unidentified submersible objects (USO) are linked, and should be studied further.
Synching Up Our Circadian Rhythms - If you've ever done any kind of long-distance travel, or just woken up feeling under-rested thanks to daylight saving time, you know how important your circadian clock is.
If you've ever done any kind of long-distance travel, or just woken up feeling under-rested thanks to daylight saving time, you know how important your circadian clock is. Like many things in your body, your circadian rhythm is more complicated than it might seem on the surface. Rather than being entirely brain-based, it's actually controlled by a collection of several circadian clocks (central and peripheral) that all work together to keep your gears turning like a well-oiled machine.
SKINWALKER RANCH REVEALED
The 512-acre ranch has captivated real-estate tycoons, TV producers, and the U.S. government. What are they searching for?
Upgrade Your Living Room With This DIY - MID-CENTURY COFFEE TABLE
This project is easy to build and customize to fit your space.
CHASING AN ASTEROID
HOW NASA DEFIED INCREDIBLE ODDS TO GET ITS ASTEROIDHUNTING OSIRIS-REX MISSION OFF THE GROUND AND IN THE PROCESS UPENDED WHAT WE KNOW ABOUT OUR SOLAR SYSTEM.
INDISPENSABLE LESSONS FROM A POP MECH LEGEND
With people moving around so much these days, it's perfectly natural to wonder how an editor can just come along and stick like a barnacle to the hull of Popular Mechanics, lasting for 35 years.
SAVING THE SUGAR BUSH
A technological revolution has transformed the ancient tradition of sugar making-with big implications for local economies and ecosystems imperiled by climate change.
MANIPULATION AND MEDICAL ETHICS
The taking of cervical samples wasn't the only medical procedure of dubious consent in Lacks's story.
