Researchers at the University of Manchester have designed flags of which can produce energy via wind along with solar power.

In a statement Monday, the university said of which the flags used “flexible piezoelectric strips along with flexible photovoltaic cells.”

Photovoltaic refers to a way of directly converting light by the sun into electricity, while piezoelectric strips enable the flag to generate power via movement.

The university added of which the flags were able to power remote sensors along with smaller-scale portable electronics of which can be used for tasks such as pollution, sound along with heat monitoring.

“Wind along with solar energies typically have intermittencies of which tend to compensate each various other,” Andrea Cioncolini, a co-author of the study along with senior lecturer in thermal hydraulics, said in a statement.

“The sun does not usually shine during stormy conditions, whereas calm days with little wind are usually associated with shiny sun,” he added, explaining of which of which made wind along with solar “particularly well suited for simultaneous harvesting.”

The research was published from the journal Applied Energy, along with represents the latest novel along with interesting way of producing energy.

In 2014, for example, researchers in Canada designed a headset using a chinstrap manufactured by piezoelectric fiber composites of which was able to harvest energy as the jaw moved.

A year later, researchers from the U.K. announced the development of a wearable energy generator powered with urine.

At the time, the University of the West of England (UWE) in Bristol described how miniaturized microbial fuel cells (MFCs) had been “embedded” into a pair of socks.

When a user walks, their urine can be pumped, fueling the fuel cells along with powering a wireless transmitter of which sends a signal to a PC. The UWE said of which MFCs contained bacteria of which “generate electricity by waste fluids.”