In the article "These Ultra-Cute Micro Windmills May Soon Charge Your Devices" it talks about how two professors in Arlington at the University of Texas made mini windmills. The windmills are less than 2 millimeters wide at there widest point. It is only 2 millimeters tall. At 100 microns it is as thin as a human hair. The mini windmills are made of nickel alloy, and because it takes such a small amount of the alloy, they will be relatively cheap. The creators have not released how fast the mini windmills can create energy. So, if you ever decide that you need some windmills, this is what you need.
 |
| Mini Windmills Can Recharge Cell Phones
Vocabulary Words
1) Contemplate: The boy contemplated whether he throw the rock or not.
2) Patent: I got a patent on my new invention.
3) Withstand: The house can withstand almost anything.
4) Wafer: The small wafer is made of a special type of metal.
5) Harnessing: Hoover Dam harnesses all the power it can from the Colorado.
6) Assert: Tommy asserted that i would make the team. 7) Prototype: The new invention i patented was just a prototype. 8) Durable: My new house is very durable. 9) Arduous: It would be very arduous to push a car up a hill. |
