Android Development – Tutorial Barber Booking App part 9 Change and Delete User Booking Information

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Hello ! In this part we will :
– Fixed error cannot book new booking if we already booking in the past
– Add Change Booking function
– Add Delete Booking function

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Amazing Automatic Wood Sawmill Machines Modern Technology – EXTREME Fast Wood Cutting Machine

Amazing Automatic Wood Sawmill Machines Modern Technology Cutting Big Tree easy
– Biggest line wood cutting machine

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Channel: Machinery Magazine
Published: 2019-03-11 12:28:48
Duration: 14M10S
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gabriella eye pencil (dark brown)
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Published: 2017-03-30 16:45:19
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Top 50 Black Billionaires of 2019 And Their Expensive Toys – Billionaire Lifestyles

Top 50 Black Billionaires of 2019 And Their Expensive Toys – Billionaire Lifestyles

Taking a look at some of the biggest black billionaires in 2019 and the richest black billionaires of 2019, these are Top 50 black Billionaires in 2019 and some of their toys.


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Channel: Vidello Productions
Published: 2019-04-24 00:49:42
Duration: 45M6S
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The Liquid Metal Battery: Innovation in stationary electricity storage

On 29 November 2018 Energy Futures Lab and the Dyson School of Design Engineering hosted Professor Donald Sadoway of MIT to discuss the impact the liquid metal battery could have on the future of gridscale energy storage.

Massive-scale electricity storage would offer huge benefits to today’s grid, reducing price volatility, improving stability against loss of power, increasing utilization of generation assets by enabling us to design towards average demand instead of peak demand, and deferring the costs of upgrading existing transmission lines. When it comes to tomorrow’s grid, storage is key to widespread integration of renewables, i.e., solar and wind, which due to their inherent intermittency present challenges for contribution to base load.

Comprising two liquid metal electrodes and a molten salt electrolyte, the liquid metal battery offers colossal current capability and long service lifetime at very low cost, i.e., the price point of the electricity market. The round-trip efficiency of these batteries is greater than 80% under daily 4 h discharge (C/4). Fade rates of 0.00009%/cycle have been measured which means retention of of more tahn 99% of initial capacity after 10 years of daily cycling at full depth of discharge. There is much to be learned from the innovative process that led to the discovery of disruptive battery technology.

Donald R. Sadoway is the John F. Elliott Professor of Materials Chemistry in the Department of Materials Science and Engineering at the Massachusetts Institute of Technology. His B.A.Sc. in Engineering Science, M.A.Sc. in Chemical Metallurgy, and Ph.D. in Chemical Metallurgy are all from the University of Toronto. He joined the MIT faculty in 1978. The author of over 170 scientific papers and holder of 28 U.S. patents, his research is directed towards the development of rechargeable batteries as well as environmentally sound technologies for metals extraction.

He is the founder of two companies, Ambri and Boston Metal. Online videos of his chemistry lectures hosted by MIT OpenCourseWare extend his impact on engineering education far beyond the lecture hall. Viewed 1,800,000 times, his TED talk is as much about inventing inventors as it is about inventing technology. In 2012 he was named by Time magazine as one of the 100 Most Influential People in the World.

Channel: Energy Futures Lab
Published: 2019-01-18 09:09:03
Duration: 1H4M12S
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Pyramids True Purpose FINALLY DISCOVERED: Advanced Ancient Technology

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Mainstream historians will tell you that the Great Pyramid of Giza was a glorified tomb for the Egyptian pharaohs. The only original monument left of the original Seven Wonders of the World, this structure was created with impeccable mathematical precision, and is a unique, mysterious feat of construction and engineering.

There’s only one problem: the Great Pyramid has none of the characteristics of tombs: including extravagant artifacts, ornate wall art, sealed entrances, elaborate coffins, or even mummies themselves. It was, however, built with unique – the same materials that are used for electrical conductivity today. These facts are leading more and more historians to believe the pyramids may have had a far more useful purpose. ..that pyramid of Giza was not at all a tomb, but a power plant: generating and transmitting electricity to the civilization surrounding them. Sound impossible?
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The Revelation Of The Pyramids (Documentary)
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Pyramids of Giza by Daniela Loginov:
The Unfinished Box by Mohamed Ibrahim
Collin’s Lab Homebrew Piezo
Egyptian Tomb [Maya, After Effects, Nuke]
TUTANKHAMUN – His Tomb and his Treasures
Serapeum Full Movie by Igor Tochilnikov
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Channel: Universe Inside You
Published: 2018-05-08 11:56:14
Duration: 22M46S
Views: 12488383
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