The scientists conducted a series of simulations considering a tube collector area of 31 m 2, solar irradiance of 150 W/m 2, and an ambient temperature of −5 C.

Similarly, absorbent plates on a roof can heat liquid in tubes that supply a house with hot water. Solar energy is lauded as an inexhaustible fuel source that is pollution- and often noise-free.

If your home doesn’t get a lot of natural sunlight, solar tubes may be the answer you’ve been looking for. One Redditor share ...