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invention of fuel cell
The first fuel was the “gas battery” made in 1839 by Sir William Grove.
Unlike batteries, fuel cells never go dead. ...
Fuel cells are quiet because they include no moving parts.
The three by-products of the reaction between hydrogen and oxygen are water vapor, heat and electricity.[http://www.rpi.edu/dept/eng/otherweb/FCHRL/index9b60.html] -
invention of radio
Invention. ... Over several years starting in 1894 the Italian inventor Guglielmo Marconi built the first complete, commercially successful wireless telegraphy system based on airborne Hertzian waves (radio transmission).[https://en.wikipedia.org/wiki/History_of_radio] -
invention of solar cell
1839: Photovoltaic Effect Is Discovered. French scientist Edmond Becquerel first discovered the photovoltaic effect in 1839. This process occurs when light is absorbed by a material and creates electrical voltage. Most modern solar cells use silicon crystals to attain this effect. -
invention of lasers
The word “laser” started as an acronym for “light amplification by stimulated emission of radiation.” 2. Before the laser was developed, there was the “maser.[http://www.electronicproducts.com/Optoelectronics/Lasers/15_fascinating_facts_about_lasers.aspx] -
invention of hologram
The development of the laser enabled the first practical optical holograms that recorded 3D objects to be made in 1962 by Yuri Denisyuk in the Soviet Union and by Emmett Leith and Juris Upatnieks at the University of Michigan, USA.[https://en.wikipedia.org/wiki/Holography] -
invention of 3d printer
In real terms, however, the origins of 3D printing can be traced back to 1986, when the first patent was issued for stereolithography apparatus (SLA). This patent belonged to one Charles (Chuck) Hull, who first invented his SLA machine in 1983. ... The FDM patent was issued to Stratasys in 1992.[https://3dprintingindustry.com/3d-printing-basics-free-beginners-guide/history/] -
iphone 7 change
Phones use to be on the wall and then they have changed to flip phones.Then they changed to cell phones and then they went to i phones.Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876.[https://en.wikipedia.org/wiki/History_of_the_telephone] -
invention of touch screen
Can you imagine organizing your daily schedule with a few touches on your bathroom mirror? Chatting with far-away relatives through interactive video on your kitchen counter? Reading a classic novel on a whisper-thin piece of flexible glass?
The video depicts a world in which interactive glass surfaces help you stay connected through seamless delivery of real-time information – whether you’re working, shopping, eating, or relaxing.[http://itechfuture.com/future-touch-screen-technology/] -
invention of lg display flexible oled
. Thanks in part to a bendable polyimide film (instead of hard plastic) on the back-plane panel, the 18-inch high-resolution screen can roll into a one-inch-wide tube. The company expects to develop an ultra-HD flexible monitor that’s greater than 60 inches by 2017.[http://bestofwhatsnew.popsci.com/lg-display-flexible-oled] -
invention of robotics
Humanoid robots. The term "robot" was first used to denote fictional automata in the 1921 play R.U.R. (Rossum's Universal Robots) by the Czech writer Karel Čapek. ... The play, R.U.R, replaced the popular use of the word "automaton" with the word "robot."[https://en.wikipedia.org/wiki/History_of_robots]
