Technika-techholyland

How to Build the Simplest Fuel Cell Ever

The simplest fuel cell “burns” hydrogen in a flameless chemical reaction to produce electricity. In order to ‘burn’ the hydrogen, a fuel cell needs a source of oxygen and this is usually obtained from air. The only by-product from this type of fuel cell is water.

2832 13/04/2021

How to Use Mirrors to Increase the Sunlight in Your Home

Some homes seem dark inside, even in broad daylight, due to lack of windows facing outdoor sunlight. While it may not be practical to expand windows or add more of them to your home, you can increase the amount of sunlight indoors through placement of mirrors. Mirrors can make dark room seem brighter or a small space seem larger and more open, all depending on placement.

7976 12/04/2021

6 Brilliant Tesla Inventions That Never Got Built

“It seems that I have always been ahead of my time,” Serbian-American engineer and physicist Nikola Tesla once mused. While the eccentric inventor pioneered advances in radio, television, motors, robotics and electricity—including the alternating-current technology that’s widely used today—he also proposed some more outlandish ideas.

7810 08/04/2021