AI-driven robotics (e.g., drones) will revolutionize warfare. Energy generation and health care will vastly improve with the addition of powerful AI tools that can take a systems-level view of operations and locate opportunities to gain efficiencies in design and operation.
Entertainment will become far more interactive, as immersive AI experiences come to supplement traditional passive forms of media. Socially, individuals will be able to find AI pets, friends and even therapists who can provide the love and emotional support that many people so desperately want. For businesses, automated secretaries, salespeople, waiters, waitress, baristas and customer support personnel will lead to cost savings, efficiency gains and improved customer experiences. Machine language translation will finally close the language barrier, while digital tutors, teachers and personal assistants with human qualities will make everything from learning new subjects to booking salon appointments faster and easier. Automated mining and manufacturing will further reduce the need for human workers to engage in rote work. Self-driving cars, trains, semi-trucks, ships and airplanes will mean that goods and people can be transported farther, faster and with less energy and with massively fewer vehicles. It will revolutionize the world and lead to groundbreaking changes in transportation, industry, communication, education, energy, health care, communication, entertainment, government, warfare and even basic research. Even though it always moves at the speed of light, it doesn't always move through completely empty space. As long as there's matter in the Universe that's transparent to light, you won't be able to avoid slowing it down.A large share of respondents predict enormous potential for improved quality of life over the next 50 years for most individuals thanks to internet connectivity, although many said the benefits of a wired world are not likely to be evenly distributed.Īndrew Tutt, an expert in law and author of “An FDA for Algorithms,” said, “We are still only about to enter the era of complex automation. In many ways, light is the simplest particle in the Universe. And to the best of our knowledge and measurements, the speed of light has the same value of 299,792,458 m/s at all times and all locations in the Universe.Once you leave that medium and go back into a vacuum again, that light goes back to moving at the speed of light.Light of different energy will change its speed by slightly different amounts, depending on the properties of that medium.By passing that light into a non-vacuum medium, you can change its speed so long as it's in that medium.Nothing you do to your own motion or to the light's motion will change that speed.Light, no matter how high-or-low in energy, always moves at the speed of light, so long as it's traveling through the vacuum of empty space.So what do we learn, putting all this together?
our definitions of length, time, and the speed of light, are exactly the same. No matter how far away we look into the distant Universe, the physics governing atoms, and therefore. This teaches us something phenomenally profound: as long as atoms are the same everywhere in the Universe, then our definitions of time, length, and the speed of light will never change, no matter where or when we look in the Universe. If you take the distance it travels in 30.663319 cycles (which is 9,192,631,770 divided by 299,792,458), you get the definition of one meter. If you take 9,192,631,770 cycles of that photon, that's how we define one second. If it transitions from the slightly higher one to the slightly lower one, that energy goes into a photon of a very particular, well-defined energy. The first 54 electrons typically live in the lowest energy state, but the 55th has two possible energy levels it can occupy that are extremely close together. Fischer et al., The Journal of the Acoustical Society of America (2013)Ĭesium, the 55th element on the periodic table, has 55 electrons in a single, stable, neutral atom. The atomic transition from the 6S orbital, Delta_f1, is the transition that defines the meter.
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