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When myopia becomes one of the biggest problems which annoys a lot of people , I know that this era we are living is really different from all the past periods. Eyes were once used to see things far from its owns, such as preys, but now we use them to see things or read words that are really close to us. In fact, we are forced to change the ways of using our eyes. Phones, computers or other electronic devices give us a particular environment for working, resting and doing other things. All the careers centre around AI to get a rapid development and help people make more money. More and more careers have been replaced by AI and robots. I have said that barbers might the few careers that can't be replaced by AI in future, but someone have invented the haircut machines which you just need a few second and will have a fashion haircut. So, I won't predict anything about this era, because everything is possible. So, I think that many people might get married with robots in the future. This is a new career field can get your attention, but not a greayt one!
3 décembre 2025
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The difference between the words: reflection, deflection and refraction The terms reflection, refraction, and deflection describe different ways a wave (like light or sound) or a moving object changes its direction, though reflection and refraction are specific to wave behavior in physics. Here is a breakdown of the differences: Reflection (Bouncing Back) Reflection is the change in direction of a wave when it strikes a boundary between two different media and remains in the original medium. The wave essentially "bounces back" off the surface. Mechanism: The wave hits an interface and reverses its direction of travel. Change in Properties: The speed, frequency, and wavelength of the wave do not change. Example: Seeing your image in a mirror, an echo of sound, or a ball bouncing off a wall. Refraction (Bending Due to Speed Change) Refraction is the change in the direction and speed of a wave as it passes from one medium to another of a different density. The wave's path appears to "bend." Mechanism: The wave crosses an interface and enters a new medium (e.g., from air to water). The change in the medium's density causes the wave's speed to change, which in turn causes it to bend. Change in Properties: The wave's speed and wavelength change, but its frequency remains the same. Example: A straw appearing bent when placed in a glass of water, a lens focusing light, or the formation of a rainbow. Deflection (General Change in Path) Deflection is a general term used to describe the act of something being diverted, turned aside, or changing its course, typically due to an external force or collision. Mechanism: The object or wave encounters an obstacle, field, or force that causes its path to change. Context: It's a broad term often used for projectiles or particles (e.g., a baseball deflected by a glove, an electron deflected by a magnetic field) but can also be used loosely for waves (e.g., wind deflected by a tall building). Relation to Waves: In the context of waves
3 décembre 2025
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Hey guys! My name is Ana — I’m new to italki but not new to the teaching world! 😄 Let me tell you a little bit about myself, and I’d love to hear a bit about you too if you feel like sharing. Like many teachers, I’m a voracious reader, so I spend a lot of my free time reading and traveling. Since the pandemic, I’ve been living a lifestyle often called that of a digital nomad, which allows me to work remotely while spending a few months in different countries. It’s been an incredible experience that’s allowed me to explore this beautiful world we live in and meet so many amazing people. Another fun fact about me is that I love arts and crafts! I’m always taking courses to learn new creative skills — candle-making, embroidery, knitting, pottery, and more. Like many teachers, I’m a lifelong learner, and I truly enjoy discovering new things. 😄
3 décembre 2025
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Balance - synonyms and uses of the word. The use of the word balance will depend on the context in which you are using the word. Here are the best synonyms grouped by common usage: Equality and Stability Equilibrium: A state where opposing forces or influences are equal. (Used in physics, chemistry, and economics) Stability: The state of being firm and steady; not likely to give way. Parity: The state or condition of being equal, especially regarding status or pay. Symmetry: The quality of being made up of exactly similar parts facing each other. Proportion: A part, share, or number considered in comparative relation to a whole. Evenness: The quality of being level or equal. Counterpoise: A weight or force that balances or offsets another. Mental and Emotional Poise Composure: The state or feeling of being calm and in control of oneself. Poise: Graceful and elegant bearing in a person; balance and equilibrium. Serenity: The state of being calm, peaceful, and untroubled. Equanimity: Mental calmness, composure, and evenness of temper, especially in a difficult situation. Financial Context (Remaining Amount) Remainder: A part of something that is left over when other parts have been taken away. Surplus: An amount of something left over when requirements have been met; an excess of production or supply. Net: The remaining amount after deductions. Difference: The amount by which one thing is unlike another.
3 décembre 2025
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