Antarctica cup proves the globe earth

http://www.acronautic.com/antartica-cup-ocean-race/

“The Racetrack outer and inner boundaries are located on latitude 45° South and latitude 60° South making the Racetrack 900 nautical miles wide. The Southern Ocean officially starts below latitude 60° South (International Hydrographic Organisation (IHO) www.iho.shom.fr/ . Latitude 60° South is also the border of the Antarctic Treaty Organisation www.antarctica.ac.uk/aboutantarctica/treaty

Here are my calculations: in the globe earth model;

S45 latitude would give a circle of 2π * 6371km * cos 45°= 28300km = 17600 miles,

S60 latitude would give a circle of 2π * 6371km * cos 60°= 20000km = 12400 miles.

In the flat earth model;

S45 latitude would give a circle of 2π² * 6371km * (180°-45°)/180° = 94308km = 58600 miles,

S60 latitude would give a circle of 2π² * 6371km * (180°-30°)/180° = 105000km = 65000 miles.

“Konyukhov came through it all unscathed, returning to King George Sound at 02: 56:50 UTC (10:56:50 WST) to record a time of 102 days 00 hours 56 minutes 50secs for this 16,400 mile circuit of Antarctica.”

The race data clearly proves a globe earth.

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Mitosis in a prepared microscope slide

A long while ago (late 70’s) in high school, I was observing a prepared microscope slide on a microscope. We had to draw a picture of a cell. Like finding a 4-leaf clover, I stumbled over a cell frozen during a mitosis. It looked like the phase 4 or 5 in this picture:

The teacher didn’t believe me so I made a more “normal” drawing!

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Point to point wiring with magnet wire

I’m currently rewiring a part of the Monsputer’s CPU board that was implemented with several patches. I’m reusing an Atmel CPLD used for another board. A problem with this chip: it’s a TQFP package. Without a PCB, it’s difficult to connect to the pins … or maybe not.

DSCN0494

With common tools and a steady hand, it’s possible to connect very fine magnet wires to the pins. A soldering iron with a needle tip, some tweezers, a magnifier (or a stereomicroscope), some liquid flux, an x-acto knife. Some spools of enameled wire (#36 for signals, #26,#24,#22 for power), some tinned wire (#32,#36) for direct connections. The flux is an essential ingredient to a good solder.

DSCN0493

Here is the culprit, with many connections made already:

DSCN0499

To connect to the pins, the insulation on the wire must be removed. For convenience, we allow two ends when finishing a net and beginning another: about 5 mm of nude copper. When the current net is completed, an half is used for the end of the current wire, and the other half is used for starting another net. In middle net points, we remove 3 mm of insulation. For the TQFP package, we make all nets ending on the TQFP. Instead of 2.5 to 3 mm, we only need about an half of a mm.cut-diagram2

To cut the insulation, we do 8 cuts to scratch the enamel. While there are enamels that melt for soldering, this may cause problems. The 8 cuts are done with a hand held x-acto or similar knife. Here, the x-acto is shown in 2 positions.cut-diagramBefore soldering to the TQFP, the exposed copper wire should be tinned. With a bit of flux, a steady hand (“doigts de fée”), place the wire end on the TQFP pad, heat the pin and the connection is done!

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FE/GE experiments: air against vacuum

One of the flat earth arguments is that we can’t have a pressurised region and a vacuum coexisting side by side.

It would be possible to replicate in small scale the gradient effect of the atmosphere. Inside a vacuum chamber, we put a rotating container with an opening in the center. We make it spin, so the centrifugal force will keep the air inside the container. If we make the vacuum, we would be able to get the air against the vacuum.

Of course, for now it’s only theoretical, since there is no scientific interest except for teaching or demonstration purpose.

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FE/GE experiment: water clinging to ball

In the flat earth/globe earth “debate”, the flat earthers say “water doesn’t cling to a ball”.

A possible way to prove that water can comform to the exterior of a sphere is to use a Van de Graaff generator upside down so the electrode can drop water in a safe way. The high voltage should be able to hold the water on the sphere.

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One of my first projects

I found some picture on the web, several years ago. It happens that I made a similar project a long time ago, but there’s something a bit special about the pictures.

$(KGrHqRHJEEFIBfLFG2DBSC+FTf6Jw~~60_3

$T2eC16ZHJHMFH!,qD,y!BSC+Foqcng~~60_3

I have sold my project a long time ago at a flea market. But on these pictures, I recognized the parts that I scavenged from old TVs, the hardware, even all the aesthetic imperfections!

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Globe earth and the horizon experiment

For a person with eye level at 6 feet, the horizon would be 0.0419° below eye level.

To do an experiment to test this, we need a way to measure very small angles. A very cheap and easy way is to use an ordinary ruler.

Let’s take a 30 cm ruler, place it at 57.296 m and voilà! The value in meter gives almost exactly the same value of angle in degrees within maybe 0.1% error (guesstimate). I.e. the 0.0419° value should be at 0.0419 m.

Next, we need to have a very precise level. An easy way to do this is to have a hose a bit longer than 57m. The hose should start at the reference point and end at the observation point. Both ends will serve as an horizontal reference.

The water level in the hose should be at the 0 of the ruler and a telescope should be at the height of water at the other end of the hose.

figure-mesure-angle-horizon

While you can rent a theodolite, not everybody is familiar with this and its principle of operation may not be recognized by flat earthers who will say most probably that it’s a free mason instrument.

This experiment is very easy in principle and works with easy to understand concepts, and it shouldn’t cost an arm and a leg. It can even be implemented in a permanent installation. Happy experimenting!!!

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