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Our increasing dependence on screens is having a negative impact on our health. We are spending more and more time looking at screens, to the point where many of us couldn't live without them. This constant exposure is causing eye strain, neck pain, and headaches. It is also affecting our sleep, with many people now sleeping with their smartphones next to them.
The article discusses the various telescopes that have been built throughout history, with a focus on those built by Isaac Newton. It highlights the different purposes that telescopes have served, from helping to discover new planets to studying the background of our universe.
The article "homosapien" in "Popular Science / Homo sapiens / Evolution" category covers the interesting facts that the average person has about 20 square inches of skin, the human body has about 10 trillion cells, the human brain has about 86 billion neurons, the average person has about 2.5 million sweat glands, the human heart beats about 100,000 times per day , and the human lungs can take in about 10 million breaths per day.
The world's population produces a huge amount of waste each year, and only a small percentage of this is recycled. If current trends continue, the amount of waste produced will only increase in the future.
Black holes are mysterious and fascinating objects in our Universe. They are incredibly dense regions of spacetime where matter and energy cannot escape. Scientists have only been able to directly observe black holes using the Event Horizon Telescope, and the largest black hole ever discovered is called the Ultramassive Black Hole. There are three types of black holes: stellar, intermediate, and supermassive. It is believed that every large galaxy has a supermassive black hole at its center.
Black holes are fascinating objects in the universe that are incredibly dense and have a strong gravitational pull. They emit a powerful jet of radiation and can consume anything that comes too close, including stars and planets.
The US has a very unequal distribution of wealth, with the top quintile of households holding almost as much as the bottom 90%. The bottom 50% of Americans have a negative net worth, and the top 1% control about 42% of the country's wealth. The US has more billionaires than any other country and is the most unequal developed country when it comes to wealth distribution.
The history of quantum computing can be traced back to the early days of quantum mechanics in the early 1900s. One of the first quantum computing concepts was proposed by physicist Paul Benioff in 1981. In 1994, Peter Shor developed a quantum algorithm for factorizing large numbers, which is a key task in cryptography. In 1998, IBM played a key role in the development of the first experimental quantum computer. In 2007, a team led by MIT professor Isaac Chuang created the first working quantum computer. Quantum computers are now being developed by major tech companies such as IBM, Google, and Microsoft.
