Donna Kutac Janak My air conditioner is really inefficient so I keep it at high temperature setting and run two fans continuously. The cost is half of running the air conditioner alone – and more comfortable. I enjoy the noise. You should be asking people why they would run their air conditioner “without” a fan!?
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A wave traveling between two parabolic antennas https://www.youtube.com/watch?v=v0cZjOIfwos You might try receiver-transmitter pairs, where each inverts the signal to build a standing wave. Use the final state inside the volume (arbitrary and time dependent if you want) as the constraint, then solve for the signal modifications needed at each site. I first saw this more
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https://www.youtube.com/watch?v=0FwA_s9Ovxc You talk about motivations for watching and DIY at about minute 14. The reason I am watching is I have a lifetime of learning how things work, what they can do, and how to put them into different combinations. Often the off-the-shelf parts don’t fit, or are overkill or too expensive. Mostly they just
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One linear regression is all that is needed to useg JPL Ephemeris to separate the sun moon from earth-based signals I want to repeat the SG network speed of gravity measurement I did in 2003 using all the current stations. I will also use the best of the broadband seismometers from IRIS.edu. Any absolute measurements,
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I came across PubFacts.com while searching for “parallel sequential” “fluorescence in situ hybridization”. There is no location or identification information. No team. It looks like someone copied material from PubMed and MedLine then put really basic queries and listings. I wrote to ask them who they are, where they are, and what their goals might
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UFOs Unexpected Flying Objects on a Peaceful Morning – https://www.youtube.com/watch?v=cCmkCsNVzEI I am reviewing live videos on the Internet, but seldom have time to just enjoy them. I made a second video of the balloons, but tried to add a magnifier to the video to show them larger. I want to add many tools to make
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How we Jam: FigJam for Designers at https://www.youtube.com/watch?v=KoCRiAWNEYI You took an interactive and collaborative environment and transferred it to a one way only, no feedback format when you put this on YouTube. You should have Figma be able to talk to the whole Internet (about 4.8 billion with some access) and then listen and let
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https://www.youtube.com/watch?v=ZayEvWsNu6I Seismology Research Centre My Comments: I searched for “Peters Seismological Observatory” and found it is listed as DU.TPSO (network.station) in IRIS.edu. The profile for DU.TPSO is at http://ds.iris.edu/mda/DU/TPSO/ where the instruments are explained. Unfortunately, only the STS-2 is listed and only the HHE, HHN and HHZ 100 samples per second three axis seismic data
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Facebook AllSky group – https://www.facebook.com/groups/172438633343696 I have found thousands of live web cameras on the Internet. Here is one that has stars often – https://www.youtube.com/watch?v=mb2ZzwShJog I saved a screen print of the whole page when found good stars. Then I opened that in an image viewer and clipped the sky. I went to https://nova.astrometry.net/upload and
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Chain Fountain 2 – Drill powered spool https://www.youtube.com/watch?v=bcsb1xAv7XA When the beads are in a jar, they have a vertical component of velocity to go up and over the rim, so the beads trajectory follows gravity. Since stress travels through the beads much faster than the beads themselves, the force of the faster beads in the
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