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Almost nine years after the final space shuttle mission, SpaceX launched its Falcon 9 rocket from the Kennedy Space Center, Florida May 30, an American rocket launching from American soil, placing NASA astronauts Doug Hurley and Bob Behnken into orbit in the new Crew Dragon spacecraft for their journey to the International Space Station. Some 12 minutes after a spectacular liftoff from Launch Pad 39-A, Crew Dragon separated from the second stage of the Falcon 9 rocket and Hurley and Behnken began monitoring a series of test objectives for the duration of the vehicle’s 19-hour flight to the orbital outpost in the first crewed mission for the Commercial Crew Program. The veteran astronauts are scheduled to oversee an automated docking of Crew Dragon to the station May 31 to join NASA astronaut and Expedition 63 Commander Chris Cassidy of NASA and Russian crewmates Anatoly Ivanishin and Ivan Vagner.
What The Next Decade In Space Exploration Will Look Like
This past July we celebrated 50 years since the moon landing. Do you ever wonder what the next few decades will hold?
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The world is an amazing place that offers so much to explore. Join RLL2 as we dive into an array of interesting topics in the areas of Engineering, Science, Technology, and more.
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Animations courtesy of Vincent de Lan
Prepare to be impressed, because today's video is on the top five amazing scientific toys and gadgets. Special thanks to FeelFlux for sending me that cool levitating magnetic gadget!
Several segments are licensed under Creative Commons (CC)
Flvio (CC), MIT (CC), Tangible Media Group / Hiroshi Ishii (CC)
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In this video I show you how to make a remote controlled spider robot.
Clarification… The introduction of the video is stop motion animation, it was only done to visually enrich the content and to exemplify how the idea was born without using a real spider. I do not intend that you believe that the final result of the product is the same.
Also keep in mind that remote control does not always mean that it is Radio Control, since you can control something remotely even when using a physical connection.
Keep in mind:
The content shown in this video is experimental, everything was done during the recording, if you plan to recreate what is shown here, be careful when using the tools and keep in mind that you must have basic knowledge of electronics and basic tools.
Read the following recommendations if you plan to recreate it.
-Don't make the same size shown here, in spite of having included other 2 motors, a 9-volt battery was used at the end to move and the motors were burned after a while of operation, the problem is solved if it does smaller maybe half or less.
— Get a battery holder for 4 units, it's better and cheaper than doing it manually.
-The engines have to be all similar.
Circuit diagram: www.facebook.com/PlayToDIY/photos/a.796984797331392/796984817331390/?type=3&theater
Music Used
Gloom Horizon
Secret of Tiki Island
Vicious
Spellbound
Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License creativecommons.org/licenses/by/3.0/
Building a 3.5kWh DIY Solar Generator for $650 — Start to Finish
After having a friend ask several questions regarding a solar generator project he was working on, I decided this would be a good opportunity to build my own solar generator and fully document the process. The total build came out to around $641. This video provides an in-depth look at the process involved in collecting and assembling the battery pack along with the choice of components and some testing.
** BATTERIES ** batteryhookup.com/discount/BATTERY?redirect=/collections/modem-batteries (10% Discount Code «BATTERY»)
■▬▬▬▬▬ COMPONENTS USED ▬▬▬▬▬■
Craftsman Toolbox www.lowes.com/pd/CRAFTSMAN-VERSASTACK-System-17-in-Red-Plastic-Lockable-Tool-Box/1000578373
Modem Batteries batteryhookup.com/discount/BATTERY?redirect=/collections/modem-batteries (10% Discount Code «BATTERY»)
100W Renogy Solar Panel amzn.to/2yh40Y5 (not included in price calculation)
Reliable 1500W Inverter ebay.to/3dCgHfi
50A Circuit Breaker amzn.to/2Wiiv7g
DROK Voltage Display amzn.to/2WMaCFY
Recessed Outlets w/ USB amzn.to/2SQpCBS
Surface Mountable XT60 ebay.to/3chkK09
Nickel Strip 2P 25ft ebay.to/2SSTI7E
Cell Holders 4x5 ebay.to/35Nxv01
Kapton Tape ebay.to/2LjE6Ws
DALY 14S BMS 40A s.click.aliexpress.com/e/_dW2lNjP
MPT-7210A MPPT Charger ebay.to/2AeTuRL
Cigarette Lighter Plugs amzn.to/3dDiSPH
Fan Temp Controller amzn.to/2yBR1AF
XT60 Connectors ebay.to/3blaYJ9
XT90 Connectors ebay.to/3blaYJ9
48V to 12V Buck Converter amzn.to/2SSTzkC
Pack-Sized Heat Shrink… ebay.to/2WIjKNF
Recommended Products:
Battery Hookup batteryhookup.com/discount/BATTERY (10% Discount Code «BATTERY»)
Big Battery bigbattery.com/?ref=13 (10% Discount Code «BATTERY»)
Batrium BMS www.batrium.com/
DIY Lithium Batteries Book amzn.to/2PmWeys
Opus BT-C3100 Tester amzn.to/2xYJXuy
Contact Info:
Business email is lithiumsolardiy@gmail.com. I am not available for personal project questions or consultation.
Disclaimers and Statements:
► I receive a small commission on purchases made using my affiliated links shared the video description and comments section. The views and opinions expressed here are my own, unbiased, and not influenced by this commission in any way.
► My videos are in no way intended to be instructional «how-to» lessons. I am simply documenting my project for informational purposes. Property damage, personal injury, or death may result, even when following manufacturer's instructions. I cannot be held liable for such damage or injury. It is YOUR OBLIGATION to ensure that you are complying with any local and federal laws as well as code and permit requirements.
Breakthrough Solid State Battery — 900 Wh/L Samsung [2020]
Subject Zero Patreon www.patreon.com/subjectzerolaboratories
Breakthrough Solid State Battery — 900 Wh/L Samsung [2020]
Samsung research was led by Yong-Gun Lee for an All-Solid-State-Battery (ASSBs). Their goal was to eliminate dendrites formation and increase coulombic efficiency.
To do that they sandwiched layers of Lithium Nickel-Cobalt-Manganese-Oxide (NMC for short) mixed with a Sulfide Solid Electrolytes (SSE, show formula on screen), on top of nanocomposite-layer of Silver-Carbon.
All of this is located in between a foil of Aluminum and Stainless steel as the current collectors.
The idea behind this was to remove lithium foil from the mix and have all lithium atoms part of the NMC and SSE. This approach diminishes the costs of the overall battery manufacturing since handling lithium usually needs an oxygen free environment due to its high reactivity.
This is important for a few reasons, in conventional lithium batteries, the anode comprised of lithium moves freely towards the positive electrode during discharge.
Dendrites are formed during the charging process when lithium moves back to its initial location thanks to the free movement enabled by liquid or gel electrolyte.
This is the main limiting factor of how much energy can be store in these batteries since to control this, the amount of lithium available in the system has to be caped, limiting the energy density.
Sources
Nature Article www.nature.com/articles/s41560-020-0575-z.epdf
Energy Density en.wikipedia.org/wiki/Energy_density
Gaston Planté en.wikipedia.org/wiki/Gaston_Planté
History of batteries en.wikipedia.org/wiki/History_of_the_battery
Lithium-ion battery en.wikipedia.org/wiki/Lithium-ion_battery
Cost of production of lithium ion batteries qnovo.com/82-the-cost-components-of-a-battery/
Tesla Battery Day recap: Tesla's new battery technology explained!
Go to Brilliant.org/AndySlye to sign up for free. The first 200 people will get 20% off their annual premium membership!
0:00 Tesla's Battery Plan
1:01 Cell Design
2:39 Cell Factory
4:09 Anode Materials
4:41 Cathode Materials
6:06 (Sponsor) Brilliant
7:00 Cell Vehicle Integration
8:24 Tesla's Future Products