MIT Engineers Have Built a Device That Pulls Electricity Out of Thin Air

[#1]

“Temperature changes large and small are happening around us all the time, and scientists have come up with a machine that can convert those fluctuations into electricity, potentially powering sensors and communication devices almost out of thin air.”

https://www.sciencealert.com/engineers-build-thermal-resonator-device-making-electricity-out-of-thin...

[#2]

Ravi, hopefully they'll be able to develop the idea to effectively provide for our home/business energy needs.  The past couple of months it's been super cold here; our power bills have been definite indication of that---Yikes!    

[#3]

I'm sure they will further develop the technology.