A comprehensive summary from PBS News hour. https://www.pbs.org/newshour/politics/what-to-expect-from-trumps-first-criminal-trial
Archive for the ‘video’ Category:
2024-04-14 Drone Recharges From HV AC line
Wow! It just clips onto the HV cable and recharges while it’s hanging there. Presumably the drone has an inductive pickup coil that’s up against the conductor that’s carrying hundreds of amps. I bet Joe Tegtmeyer would like to have one of these! https://www.facebook.com/interestingengineering/videos/1123581112297321/?mibextid=NnVzG8 https://www.facebook.com/reel/415716777728231?mibextid=9drbnH&s=yWDuG2&fs=e
2024-04-11 Illegal Abortions Kill Women!
Before 1972, when Roe v. Wade took effect, this was what happened. Women died from illegal abortions when they got sepsis AKA blood poisoning. After Roe V. Wade doctors were no longer penalized for giving necessary medical procedures. Now that Roe V. Wade was struck down, in some states they have gone back to the
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2024-04-08 The 555 Timer Chip Was Not Named After The Three 5k Resistors Inside
The 555 timer chip has been extremely popular for over 50 years. The 555 number was assigned by Hans Kamenzind; it was not named after the Three 5k Resistors. This 1 min YouTube short explains.
2024-04-07 Esbjerg Changes To Heat Pump City Heating System
The city of Esbjerg, Denmark is replacing its coal fired city heating system with an amazing giant heat pump, biomass boilers and waste burning boilers. The refrigerant is CO2. Read the description. This is a long 43 minutes but is very comprehensive and interesting. The cost is about 40 million Euros.
2024-04-05 Graphic Shows Renewables Percent Of Total Electric Generation 2000 to 2023
This is a very good graphic of the percent of total electricity renewables have grown to since 2000. Notice the bulging in April and September, and flattening during the summer. These are caused by the changes in demand during the hot weather. We need this to be 100% ASAP in order to prevent climate disaster!
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2024-04-05 Hossenfelder, Ghost Particles With Wavelengths As Long As A Galaxy
So food for thought: quoted from a comment here. “”@Lund.J. 1d ago If we assume that there was a big bang, then all “particles” are transformations or “phase changes” of the original energy (which is heat, “fire”). Dark energy is just such a transformation, but in a finer form. What “fire” (heat) is made of
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2024-03-31 LoRa Modules From Reyax
Supposed to have 10 to 14 km range. But probably at very low data rates. https://www.facebook.com/reel/936216961243959?mibextid=9drbnH&s=yWDuG2&fs=e
2024-03-27 Hypnotize A Chicken By Drawing A Line In Front Of Its Beak
I did this to a chicken and it froze, just like in the video. Tonic immobility is what they call it. It really works. https://youtube.com/shorts/zreZ7hvauxg?si=1cASfv1402H-4H8E
2024-03-26 HVDC Module Teardown, Operation And Explanation
A 41 min. YouTube video shows operation, tears down, and explains the components. It seems that they are made with cheap chinesium components that are too low voltage ratings so they will fail prematurely if the HVDC is left on a long time or if the spark gap is too wide. Schematic from video is
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