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My son had received a small package in the mail, he opened it and found small pieces of material cut
... up. The package came from China? Was wondering what to do, it may contain Corona-virus chemical?
How is the van der Waals force between two 2D materials, say graphene/hBN optimized in quantum espr?
I want to optimize this force and find the adhesive energy using quantum espresso. Kindly, give some hints.
What is the copyright law, and why should we respect copyrighted materials? Use examples in your response.
Two very different types of lathes typically used to turn two types of materials...one natural, one?
Two very different types of lathes typically used to turn two types ...