SALES CONDITIONS: This is an international order shipped from Brazil with tracking code. Under the buyer's responsibility, your order may be subject to customs clearance and you may be asked to collect it at the agency. Buyer is requested to keep track of his order to avoid returns. All books and DVD and Blu-ray discs are in Brazilian Portuguese. Additional Details ------------------------------ Product description: Um dos pais da descoberta do boson de Higgs, Guido Tonelli explica aqui como nos relacionamos com o tempo ao longo dos milenios, a evolucao do sentido que damos a ele, a intricada relacao tempo-espaco e a ainda mais complicada relacao entre tempo e energia, massa e gravidade.