A dry P-trap is one with no water. The most common cause is suction created in the drain pipes by a blocked vent. You can ...

According to Towards Chemical and Materials, the global plastic resin market size was estimated at USD 852.56 billion in 2025 ...

Sometimes it makes sense to go with plain old batteries and off-the-shelf PVC pipe. That’s the thinking behind [Bertrand Selva]’s clever LoRaTube project. PVC pipe houses a self-contained LoRa ...

Abstract: This paper proposes a new coupling matrix synthesis technique called the coupling matrix compression technique, which focuses on reducing the dimension of the N + 2 coupling matrix. The ...