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So... After a breezy day on the levels, with woodpeckers, sun and showers, I went on an owl hunt, parking up to see if the pair that were on the wing last night came out again around the same time... I gave them an hour or so but no show, so I popped over to see another owl that's been an early bird in the past. She was out hunting already, but really struggling with the wind, which had picked up by then. I watched her for an hour or so, but she didn't make a kill...
Bat Detector Box, this box is used to detect the presence of bats by converting their echolocation ultrasound signals to audible frequencies usually about 300 Hz to 5 kHz. Bats emit calls from about 12 kHz to 160 kHz, but the upper frequencies in this range are rapidly absorbed in air. Bats use echolocation which is the use of sound waves and echoes to determine where objects are in space, bats send out sound waves from their mouth or nose. When the sound waves hit an object they produce echoes. So when it gets a bit warmer I will be out there listening for them, And Pauline if you see this I still have your bat box and it’s still ok thanks.
117 Pictures in 2017 – 14 Radio Day
The three children sat in a row, faces stubborn.
Lily flicked her long ponytail and huffed. “This is ridiculous.”
Lucy and Lea sat stone faced beside her.
Their parents stood before them, watching the three bulbs of the glowing machine.
“This,” their father declared, “is a lie detector.”
The three children exchanged wary glances.
“Someone,” their mother said, hands on hips, “thought it would be funny to fill the washing machine with a year’s supply of strawberry jam.”
Lily smirked. “That is funny.”
Lucy giggled before catching his mother’s glare and quickly looking at the floor.
Lea, unbothered, picked her nose.
“One by one, you’ll be tested. The bulb will light up if you’re lying” said Father.
Lily rolled her eyes. The wires were wrapped around her wrist like a hospital monitor.
“Did you put the jam in the washing machine?” their mother asked.
“No.”
Silence. No flash.
Lucy went next. Same question. “No.”
Still no flash.
Then came Lea. Her fingers drummed on the table. Her grin was almost too wide.
“Did you put the jam in the washing machine?”
“No.”
The bulb flashed bright.
Lily gasped. Lucy covered her mouth. Their mother folded her arms.
“Lea,” their father said sternly. “Tell the truth.”
She wiggled in her seat, looking up with wide, innocent eyes. “I didn’t do it.”
Flash!
Their parents sighed. “Lea.”
“Okay, okay!” Lea threw her hands in the air. “It was me. But Lucy dared me to!”
Lucy’s jaw dropped. “I did not!”
Flash!
Lily snorted. “Oh, this is getting good.”
Lucy scowled. “Fine! I may have suggested it, but I didn’t think she’d actually do it!”
No Flash.
Lea shrugged. “I thought it’d be fun.”
Their father rubbed his temples. Their mother pinched the bridge of her nose.
Lily, leaning back in her chair, smirked. “Well, at least we solved the mystery.”
Their parents exchanged exhausted glances. Then their father pointed at Lucy and Lea.
“You’re both cleaning the machine.”
Lucy groaned. Lea just grinned. “Can I put peanut butter in next time?”
Midjourney, Photoshop, ChatGPT (edited)
An old CSX defect detector sits along the Marquette as former C&IM SD20 81 rocks and rolls past on jointed rail.
Circuit board and speaker from a Franzis bat detector. The unit picks up ultrasonic sounds from bats and plays them at a
frequency audible to humans. It also detects other things such as species of grasshoppers that chirp at a frequency humans cannot normally hear.
It comes as a kit of parts which you solder together yourself. All part of the fun.
The care with which Lenswrangler has defined sound, and the fact bats and some grasshoppers are inaudible to humans raises the old philosophical argument
" If a tree falls in the forest and no one is around to hear it ,does it make a sound.?"
One argument is NO it only makes airwaves. It does not become sound until a brain interprets the airwaves as 'Sound'.
But do we exclude all other animals that might have 'heard' the tree the same way as we do. Or creatures that might detect its fall as vibrations through their body?
Is it still sound if bats can hear it but not humans?
Alentejo. Portugal
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when i asked this guy if i could shoot his photo he said, "sure, but let's make it fast, i'm in a hurry."
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My second and last contribution for this year’s Febrovery. Once again taking inspiration from an old space theme, this time Spyrius. I built a surveillance rover on patrol near a power generator. The dish folds down neatly into the rear and the cabin seats two minifigures.
See other images on Brickbuilt.
CN's Rail Detector RDC is at Tower B12 in Franklin Park. It went down the old Soo to Madison St. and headed back north.
Soudan Underground Neutrino Lab
MINOS is a particle physics experiment. It consists of two large detectors and optimized to detect neutrino interactions. The main objective of the MINOS experiment is to study the Neutrino Oscillations between the two detectors.
The 2015 Nobel Prize in physics was awarded to Takaaki Kajita and Arthur McDonald for their contributions to observations of the neutrino oscillations, which proves that neutrinos indeed have a mass. Neutrino oscillations are the first experimental evidence of physics beyond the Standard Model. Congratulations to Takaaki Kajita and Arthur McDonald for a great achievement!
DAPCO Industries no. DC7, which was assigned to Union Pacific, is seen in the yard at the Danbury Railway Museum.
I have turned the photo 90° to the left. If you imagine it in portrait format, you can see a narrow, high side corridor in the "German Maritime Museum" in Bremerhaven/Germany. The rectangular skylights are integrated into the ceiling and the smoke detector is attached to the ceiling. By turning it to the left, the photo looks as if you are looking into an open and empty room with high side windows.
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Das Foto habe ich um 90° nach links gedreht. Wenn Ihr es Euch im Hochformat vorstellt, seht ihr einen schmalen hohen Seitengang im Deutschen Schifffahrtsmuseum in Bremerhaven. In die Decke sind die rechteckigen Dachflächenfenstern integriert, und an der Decke ist der Rauchmelder befestigt. Durch das drehen nach links sieht das Foto aus, als wie wenn man in einen offenen und leeren Raum mit hohen Seitenfenstern blickt.
This old and abandoned dragging equipment detector sits on the TP&W just east of Wolcott, Indiana on September 12th, 2007. I don't know if this is from the PRR days or was installed after the TP&W took this segment over but it was not in use at this time. I'm not sure if it still stands today. Looking at Google Earth it looks like something is left here, maybe the relay box. View is looking east towards Monticello.
SLR 393 with QGRY 3105 - CBFX 6028 - CBFX 6029 - SLR 3805 approaches Fore St. in Oxford ME near the MP 43.0 detector.
March 1, 2018
A Space display is the opportunity to make small "funny" vehicles
Here is another classic rover, well known in "Classic Space" : Mineral Detector Rover
The London Polygraph Company has been providing the leading lie detection/polygraph services within UK. All examiners from the company have graduated from prominent polygraph schools and trained under high supervision to ensure their skills and knowledge for conducting test services.
SPNC - Year 2 - Instruction #04
"Scale. How small can you make something in the frame and have it still be the photo's primary visual subject?" Blake Andrews
6877 Vector Detector (1990) demonstrates "The Power of Magnets," not to navigate the moon's weak magnetic field, not to evade detection, but ... to pick things up. Kind of underwhelming to find that out.