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Technicians glue modules for the NOvA detector using a machine developed at Argonne National Laboratory. Credit: William Miller
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High Strangeness! LEVEL 1. Got to this park and my pin-pointer won't shut off. I had to take the battery out to stop it. Retried: Still won't turn off. Used a cheaper back-up pin-pointer. That one wouldn't turn off either!?? Low battery? Underground power line?
LEVEL 2. Recently read a story of a woman who claimed contact with aliens, and everywhere she goes lights turn on and off, fuses blow. Started reading about that and had a "dream" of my own contact. Could they be trying to contact me?
LEVEL 3. Found 4 Chucky Cheeze tokens, and suddenly I get a hankering for Chucky Cheeze pizza! Coincidence? I don't think so!
Ha, ha!
Eric Anderssen - 77 presicion measurements shop. STAR PXL Upgrade detector. TV holography distortion measurement machine measuring the mechanical distortion produced by heating in a STAR pixel sector mechanical prototype.
credit: Lawrence Berkeley Nat'l Lab - Roy Kaltschmidt, photographer
XBD201008-01128-04
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"U.P. milepost detector, 3-4-5-point-6, no defects, no defects". Anyone who has traveled aboard Amtrak has probably heard words similar to that coming from the conductor's two-way radio as he or she walks through the cars. That occurs when the train passes certain checkpoints which look the train over for certain malfunctions. One such checkpoint is a "hot box detector" which scans each and every wheel as the train passes, measuring the temperature of each one. If it detects an overheated wheel, the voice on the radio will identify the location on the train where it has occurred and then tell the conductor, "Stop the train! Stop the train!" The gizmo we are looking at here in the foreground which goes across the tracks in a perpendicular manor is a "dragging load detector". In case something has come loose from the train and is being dragged down the tracks, it will strike this device triggering similar action as just described.
Seen parked on the sidetrack in the distance is a row of maintenance equipment.
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Ball detector module.
Can be used to count or detect the number of balls. Works with a hall chip built into the module. A small Neodym magnet is built into a rotating anchor. In order to measure a series of balls properly, a brake zone is built in. Without this braking zone the anchor will otherwise not have time to move back. The anchor has 2 extra holes of 4 mm. They can be used to place small steel axles as extra counterweight. However, I have tested it even without these extra weights and it works perfectly. The first hole of 4mm also serves to pull out the small magnet if you have the wrong polarity. I made a reference setup so that I have the correct polarity before pressing the magnet.
In the module extra height has been kept free to use Fischertechnik blocks. These are indicated on the drawing. Original Fischertechnik parts are always easier to connect with other parts. These extra parts are also shown in the drawing. The output of the module can be made via a straight connection or a 180 degree connection. All necessary blocks are also shown in the drawing.
For the hall connection I use a 3 pin female connetor. The wires of the hall can be easily connected without additional PCB. I swapped the 2 power pins of the hall output to the connector so the connector would have a standard connection: Output, +VCC, GND. This wiring then corresponds to that of a servo connection. The hall has an open collector output so it can easily be used on any kind of interface. Its power supply itself can be between 4V and 24V. The most commonly used voltage is 5V.
A drawing is also included with the timing results for a burst of 5 balls. You have to take into account that sometimes the speed can be quite high (pulses about 25 msec). You may need to sharpen the brake zone ( adjusts the input so that the ball can just pass) if your controller cannot handle this speed. This is the case for the TXT Controller Fischertechnik. I use my FPGA controller to read the pulses and it never has speed problems.
All parts are printed with the Flachforge Finder 3D printer. The filament used is PLA 1.7mm, 210 degree, Raft and Brim enabled, Infill 25%.
Alle files voor 3D printing zijn beschikbaar op:
Male Anopheles
Insight: 334 frames aligned in Zerene Pmax, 7 sub stacks made and restacked in Pmax, Processed in PPPx3
Note to self: Quite a deep stack at around 5mm. Lost some image balance on head after stack, Found on window, i just had to have a closer look.
Tools: Nikon 5x objective / Ping pong ball diffuser and jansjo Leds
www.mda.state.md.us/plants-pests/mosquito_control/mosquit...
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Two hours before the campaign of opposition.
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June 12 was held in Moscow next protest demonstration of opposition. On the march sounded slogans against the government of Putin and his regime. Marsh took place against the backdrop of interrogations the leaders of the opposition movement and the next day after were a large-scale searches.
An unattended radon detection and data logging instrument I built for work. I know... I accidentally installed an under-board SD card slot on the top, so the cards have to be put in upside down. That's embarrassing...
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Coachmen Freelander FL 3150 SS for sale - $19,999
Very Very Good Condition
One Owner/Non-Smoking
Stored in an Indoor Facility during winter
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