Title
Dinmica en cosmologa 5dimensional: Cosmologa 5d y la quinta fuerza (Spanish Edition),Used
Delivery time: 8-12 business days (International)
Anteriormente se pensaba que el espacio y el tiempo estaban separados, sin ninguna influencia el uno con el otro; despus de la teora general de la relatividad se ha demostrado que ambos coexisten en una variedad 4 dimensional nica, descubrimiento que ha cambiado completamente la concepcin del mundo en el sentido de que ya no existe tiempo absoluto ni espacio absoluto. El enfoque fsico de la dimensionalidad del espaciotiempo tuvo sus comienzos a finales del siglo XIX, y principios del siglo XX. Entre otros B. Riemann, A Einstein, E. Mach y T. Kaluza trabajaron en este problema. Pero al mismo tiempo hay una bsqueda hacia la unificacin de las interacciones fsicas, y en este camino se abren las puertas para dicha unificacin a travs de teoras multidimensionales que vayan ms all de la variedad espaciotemporal 4 dimensional.
By changing our most important processes and
products, we have already made a big leap forward. This ranges from the
increased use of more sustainable fibers to the use of more
environmentally friendly printing processes to the development of
efficient waste management in our value chain.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, please visit www.P65Warnings.ca.gov.
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.
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.
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.).
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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Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.
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.