A noise is a complex mixture of sounds producing an annoying or undesirable (unpleasant) auditory sensation. Noise has several harmful effects on humans: such as ** Deafness **The stress **Nervousness

Mechanical vibration is measured in three parameters: ** Acceleration (ms-2 where g) measured by accelerator) Photo source ** Displacement (µm) measured by (Displacement or proximity sensor) Photo source

🚩 Lien du Challenge Fiches Conceptuelles Didactique source : google Thématiques Développement durable / Science de l'environnement /Ecologie

Les ondes sinusoidales Définition L'onde sinusoïdale c'est une onde progressive décrite par un sinusoïde en fonction de temps. Exemples : *Les ondes électromagnétiques exemple les rayonsX ,les rayons gamma,

Photo taken from the Net Why am i writing? Hi, I am very happy to be part of the Hive community and i want to participate positively in the different communities of Hive. Who am i? I am an enthusiastic

hi hive blog friends, everyone is back with me @helmi hive, this time I will try to post one of the best pictures I have come across and I will shoot directly at the location, namely flowers. Traveling

Hey Everyone!! Today i visited to my aunt's garden and clicked few pictures there. These are the mustard plant's flower which i clicked from that garden. There were not so many vegetables grown this time.

This red colored flower is found almost everywhere in West Bengal. This beautiful flower garden is also used to decorate the house. Everyone knows about the disease resistance of Royal poinciana flower.

Buildings are one of the properties we can do away it when it comes to wealth. We have a lot of beautiful and tall buildings in the country. Most of these beautiful buildings can be found in the universities

When suffering creates silence in your laughter, touch that silence with a taste that melts your heart and tongue. - Anggrek Lestari - The title of the food plating that I made with my new collection of

Photography Lovers Curation Report Hello Photography Lovers! Welcome to another curation report from the community. We are committed to curating the best photography content on the Hive BlockChain as well

A singing bird, gently rustling trees, a small forage beast, a flowing stream. A walk in the forest feels so good, it must be good for your health. Nature has positive effects on health. Photo source my

English / German Intro Morning hours are very rare in my photos. But today I was finally able to overcome my weaker self and move out of the warm bed into the frosty dawn in time. In the first part of