If you want your perennials to return healthy in spring, avoid things like mulching incorrectly, improper pruning, and ...

Topological insulators are materials that are insulating in their interior but can support the flow of electrons on their surface. The underlying cause is time-reversal symmetry: their physics is ...

Abstract: Thanks to excellent hydrophobic and low cost, silicone rubber composite insulators have been widely used in power systems in recent years. The silicone rubber composite insulator is a high ...