Title
Les Atomes existentils vraiment,Used
Delivery time: 8-12 business days (International)
Que l'on se rassure : les atomes existent bel et bien. Pourtant, quelque puriste pointilleux pourrait s'interroger sur la signification de cette expression : que doiton entendre par 'existence relle' s'agissant d'objets dont la taille se mesure en centmillionimes de centimtre et dont le comportement obit aux lois de la mcanique quantique, si fondamentalement distinctes de celles que nous avaient enseignes plusieurs sicles de physique dite 'classique', depuis Galile et Newton ? D'ailleurs, la ralit des atomes et des molcules a donn lieu, au tournant du sicle (vers 1900), principalement autour des phnomnes et concepts qui font l'objet de cet ouvrage, une controverse parfois froce. Ainsi, Paul Pascal qui avait t un chimiste hors pair racontait pourtant que, alors jeune tudiant et candidat en 1905 au certificat de chimie gnrale la Sorbonne, il fut coll par un professeur qui niait l'existence des atomes et n'admettait pas qu'on l'envisaget. Pire encore : le viennois Ludwig Bolztmann, gnial promoteur de la mcanique statistique fut pouss au suicide en 1906 par les sarcasmes de ses dtracteurs. Or, quelques mois plus tard, cette mme anne, un franais, Jean Perrin dmontrait par une srie d'expriences irrfutables la prsence des atomes et la validit de la mcanique statistique. Peuttre fautil quand mme tre juste et reconnatre que les antiatomistes, pour se montrer si intraitables et percutants, disposaient eux aussi d'une thorie physique remarquable par sa cohrence et son efficacit, la thermodynamique, dont Bernard Diu parle abondamment, et qui n'avait apparemment que faire des atomes. Aprs avoir clarifi ce qu'est une thorie physique, ce qu'est la physique et ce qu'elle n'est pas, Bernard Diu nous explique trs simplement les intrications et les ventuelles oppositions entre la thermodynamique et la mcanique statistique. Bernard Diu, ancien lve de l'cole normale suprieure, est professeur l'Universit ParisVII.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.