Technology and Science: Innovations, Gadgets, and Discoveries
Stay up to date with the latest technological advancements, must-have gadgets, and scientific discoveries that transform our daily lives.
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Des événements déterministes, 2 pendules solidaires (dont les équations du mouvement sont simples et connues très précisément) combinés ensemble aboutissent à un résultat imprévisible sur le long terme lorsqu’ils interagissent. Cela est dû à une extra « sensibilité à des conditions initiales ». Une erreur infime dans les hypothè
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J’ai découvert un très bon adage : « Prends des risques dans la vie, si tu gagnes tu deviens un leader, si tu perds tu deviens un guide. » Swami Vivekananda On entend souvent parler de l’expression du même type: « No risk No gain », qu’est ce que ça veut dire mathématiquement ? En bourse on dit souvent que plus on prend de risque plu
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On parle souvent de l’univers du numérique ou digital. D’où vient donc cette expression ? Des ordinateurs ! Depuis l’invention des ordinateurs il a fallu traduire tout ce qu’on perçoit du monde réel en code numérique pour pouvoir stocker ces informations sous forme de 0 et de 1, puisque les ordinateurs à la base ne savent que mémoris
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La loi d’offre et de la demande est représentée par 2 courbes qui se croisent à un prix d’équilibre de marché. L’une représente la quantité de produits que lesconsommateurs sont prêts à acheter en fonction du prix, l’autre la quantité qu’un producteur est prêt à vendre selon le prix. Prenons l’exemple de l’Iphone X à un p
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En explorant un grand nombre de données numéraires on aurait tendance à penser que pour le premier chiffre de chaque nombre, aléatoirement les chiffres 1 à 9 apparaissent statistiquement de manière égale, à 11,1% (1 sur 9). Hors ce n’est surtout pas le cas ! On observe empiriquement plus de fois de 1 que de 2, plus de 2 que de 3 etc... le
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La suite de fibonacci est une suite de nombres dont chacun des nombres est égal a la somme des 2 précédents. (Sauf les deux premiers) 1, 2, 3, 5, 8, 13 etc...on découvre que le rapport entre 2 nombres successif tend vers le Nombre d’or. (1,61803...) Un nombre considéré magique! Mère Nature aime la suite de Fibonacci. La spirale de Fibonacc
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Voici une loi bien utile à connaître : la loi de Pareto. Observée par l’économiste italien Pareto, ce principe s’applique naturellement à de nombreux phénomènes. C’est notamment pratiqué en Management pour prioriser les actions selon le principe que 20% des actions principales les plus pertinentes amènent à 80% des résultats. Ou au
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Un nombre premier est un nombre qui ne se divise que par 1 et lui même. 5 ne se divise que par 1 ou 5, 97 ne se divise que par 1 ou lui même et il y en a une infinité d’autres. Super, et alors me direz vous? Et bien on a trouvé une utilité à ces nombres! En cryptographie par exemple. On a crée le système RSA. Je vous épargne le principe
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Vous croyez au hasard? Et bien figurez vous qu’il n’en est rien, enfin c’est ce qu’il parait quand on est à l’échelle des grands nombres! Imaginez vous dans un jeu de dés. On se dit que le résultat d’un lancement de dés est totalement aléatoire et donc sans logique, autrement on serait tous millionnaires au casino! Selon la Loi de
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La loi Normale ? Pourquoi Normale me direz vous ? On n’en sait rien mais toujours est-il que la loi Normale est une loi utilisée en statistique et qui explique comment peuvent se repartir des resultats aleatoires physiques. Par exemple une usine fabrique des ampoules dont la durée de vie est prévue pour 1000h. Et bien comme rien n’est parfai
Content on demand : High-tech
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Buying a new car is a process that has no use for hastiness. First, consider all the costs that are involved to get an accurate picture of what you are purchasing. You may want to shop and compare for the best deals. Additionally, there are other considerations that will influence your choice of car. Read on to find out.
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When it comes to buying a lens for your digital camera, it's advisable to test out a few of those available before making your choice. Generally, the better quality lenses tend to be more expensive so it may be worth splashing out now to save money later. However, that all depends on your priorities: there's a lens for every type of subject in digital photography, from macro to fish-eye, and the choice can sometimes be overwhelming. Here's a guide to those lenses you're most likely to need.
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The Mercedes Benz, a touch of elegance with its sleek look and finishes is now affordable, as the manufacturer has approved used Mercedes Benz cars direct from various dealer stores. Associated with luxury, a concept that most people may find hard to identify with, due to high price in owning new Mercedes car, many have resulted into buying used Benz as an alternative of having that car they love most. This article provides you with a review of Mercedes Direct.
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Scientific Laboratory Supplies Limited are a British wholesaler of scientific equipment, chemicals and consumables to laboratories within the United Kingdom and overseas. They aim to improve the sustainability of their business, and have a large selection of products from a broad range of brands which are available to order from catalogues or online.
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There are several advantages to leasing a car. It can greatly reduce costs associated with vehicle ownership and maintenance, take away the worry of replacing the car, and let you take advantage of the best lease offers. Still, there are some points that you need to consider before leasing a vehicle. This article provides you with a guide to personal car leasing.
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Are you thinking of buying a Sony laptop computer? Are you wondering where you can find the ideal laptop computer? In that case, you don’t have to spend your time visiting retail stores and browsing through hundreds of magazines of websites. Read the following article and find out all the interesting facts that you should know about buying Sony laptops.
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A website can open the world of earning money online but rather than finding someone to do it all for you, you should make your own web site and reap all of the rewards. You don't need to worry about learning coding as there are plenty of free programs to help you. Here are just five of the benefits that you can gain.
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Yesterday's technology still has many fans. If you have records that you love to play or that you have found in someone's attic, you might find that a record player turntable is harder to find than the records themselves. You can also find a turntable to move your old records to more modern formats, such as CDs. Some CD players with turntables will allow you to record vinyl to a CD.
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One of the most basic necessities in any garage environment, be it professional or amateur, is a decent quality automotive floor jack. The benefits these offer in terms of speed, safety and flexibility cannot be underestimated. Which style of operation, design, size and strength to choose can be confusing so here is a little help.
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In this section, we will show how to obtain a platinum number for your mobile phone and, more importantly what they are and mean to you!
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Motorbikes offer great value for money, especially when compared to cars, which are far more expensive. Furthermore for the enthusiast, motorbikes can deliver super vehicle performance at economy prices. However, when buying a used motorbike, it is important to evaluate the bike properly prior to purchase, in order to avoid a potentially bad motorbike. This article provides a guide to buying a second-hand motorbike.
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Nothing inspires more than gazing at the stars in space. Many of the most beautiful photos of these astronomical wonders have been preserved for posterity, and are available freely on the internet. This article will show the best places to find pictures of stars on the internet.
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Folding hand carts are one of the most useful and convenient inventions. Before the folding cart was invented, it was really difficult to carry things around especially when shopping. But now anybody can carry even considerable weights whether it is shopping, warehouse boxes or legal files. The way it is built makes everything easy to carry without any extraordinary strength. The prices of folding carts are really different depending on factors such as sturdiness, functionality, manufacturer, and capacity.