What is a Tankless Water Heater? What Are Its Benefits?

tankless water heater

A tankless water heater is also known as a demand-type or instantaneous water heater. It provides hot water only when needed; thus, it does not produce the standby energy losses associated with storage water heaters. This means you can save your money! How tankless water heater works The water is directly heated … Read more

Why does a laser pointer have a grainy pattern in the beam?

Why does a laser pointer have a grainy pattern in the beam?

If you ever tried to use a laser pointer, then you probably notice its quite strange appearance after pointing it. If we observe the laser on a surface, we could see that there is a grainy pattern on its beam? Lasers are great works of physics, and it holds several scientific explanations … Read more

How do scientists know that a rock is from space and not of earthly origin?

How do scientists know that a rock is from space and not of earthly origin

When it comes to determining whether a rock is from space or earth, there is huge scientific research taking place behind the curtains. Typically, rocks from outer space consist of compounds that are not normally found in regular rocks on the surface of the earth. A major factor that differentiates these rocks … Read more