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Which Android tablets provide the smoothest gaming experience? CNET Labs delves deep to find out. Editors' note: This list was originally published on April 26, 2013, and is updated periodically. If you're looking for an Android tablet that can deliver impressive graphics, we've got you covered. We gathered every high-performance Android tablet we could find in the CNET Labs and put them to the test. Below are our top five. Be respectful, keep it civil and stay on topic. We delete comments that violate our policy, which we encourage you to read. Discussion threads can be closed at any time at our discretion.
Batteries power nearly everything in our lives, But will they ever get any better?, The laptop lasted as long as seven hours, almost enough time to watch the epic movie "Lawrence of Arabia" -- twice, Phil Schiller, Apple's marketing chief, called the battery "revolutionary." But iphone 6s screen protector zagg was it really?, Technological leaps over the past two decades have been astounding, Computers have transformed from utilitarian boxes into svelte rectangles of shiny metal and glass that fit in our pockets, Today's devices are also far more powerful, A new smartwatch has more computing power than the Apollo moon landing spacecraft, Batteries are a different story..
Even though consumer electronics makers, from Apple to Samsung, pour millions of research dollars into eking out more battery life for devices, the technology isn't expected to advance much in the next few years. But that won't slow the rising tide of gadgets that rely on batteries. Why battery tech has stagnated is a topic of debate among researchers, many of whom claim we're reaching the limits of what science can muster. No matter the reason, consumers will need to find ways to squeeze more juice out of their battery-powered devices.
To understand what's going on, consider where battery makers have been, where they are now, and the challenges they face, Michael Sinkula of Envia Systems, an advanced battery startup in California, crunched the numbers and found the energy stored in a battery in 1995 didn't double until more than a decade later, in 2007, Since then, a battery's energy hasn't even risen by 30 percent, And Envia believes most batteries likely won't have doubled again even by 2021, But a typical laptop now runs about 10 hours, up from just four hours when President Barack Obama was sworn in for his first term, iphone 6s screen protector zagg How's that possible?..
Tech advancements generally come from two separate forces: a relentless drive to shrink every part's size and ever improving software to manage it all. The brains of a computer are its microprocessors, the chips that do the complex math needed for drawing images and for helping Facebook update you about a friend's birthday. For decades, the industry has been shrinking processor size. As they get smaller, they consume less energy, and battery life gets longer. Batteries are different. Basically, they're collections of metals and chemicals. When they're connected, electricity flows. The problem with chemistry is that making it smaller doesn't always make it better. Think of it like a drink: if you put less beer in your mug, you just have less beer.
Until now, major battery advances came from using new materials, Consumer electronics batteries began lasting longer when they switched from relying on nickel, a type of metal, to lithium, John Goodenough, a key scientist in iphone 6s screen protector zagg the development of modern batteries, says research now is focused mainly on improving lithium batteries, "The periodic table is limited," he says, and advancements are becoming increasingly tough, Even though more people are working on these problems than when Goodenough announced the breakthrough that made modern batteries possible in 1979, scientists are simply running out of new stuff to work with..
A smartphone that lasts a week -- instead of a day -- requires a radical new technology that hasn't even made it to the drawing board. "The strategy for the next step isn't here," Goodenough believes. It's possible that in 250 years, when Capt. James T. Kirk hails the starship Enterprise, his communicator may need a recharge first. Modern batteries date back to the 18th century, when scientists stumbled upon a way to harness static electricity by inserting a metal rod into a jar coated with foil on both sides and filled with saltwater. Touch the outside of the jar with one finger and the rod with another, and -- zap.
In his book "The Battery: How Portable Power Sparked a Technological Revolution," Henry Schlesinger describes scientists who played with these devices, known as Leyden Jars, One prominent tinkerer was poet Percy Bysshe Shelley, When he was young, he experimented with help from his sister, He also inspired his wife, Mary, who used electricity as a primary plot iphone 6s screen protector zagg device in her novel "Frankenstein."Shortly before people were reading about Mary Shelley's monster, Alessandro Volta invented the first widely used battery, the Voltaic Pile, by stacking plates of zinc and copper separated by cloth or cardboard soaked in saltwater..