209K views · 1.7K reactions | Lemon dump cake made perfectly. Yvonne makes the best dump cakes. She gives great tips for people making it their first time. This is a lemony and light dump cake that goes great with ice cream. It's best to let the dump cake set and cool down before you eat it. | Ryan R Experiments | Facebook

813K views · 148 reactions | Fascinating science experiments and magic tricks anyone can make 讀How to make an egg explode: | 5-Minute Crafts USA | Facebook

When refrigerant is fed into the bottom of an evaporator coil, it boils and vapor is produced at the top. This process is called evaporative cooling. The refrigerant is fed into a metering device, also known as a pressure dropper, which creates a pressure drop and causes the refrigerant to boil. As the refrigerant boils, it remains at a constant temperature until it becomes 100% vapor, at which point it begins to pick up additional heat, known as superheating. Click the link below to watch the f