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ProteusH
@proteus-h
62
Physics/Engineering Student. I post about physics, radiation, space, my projects, and more.
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485
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16
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Location
San Luis Obispo
Created
2017-11-27 22:12
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proteus-h
photography
2019-04-09 05:30
Carrizo Plain, California
I visited Carrizo Plain National Monument, a remote valley in California, this past weekend to see the current wildflower show. Unlike last month when I was there, there are now flowers covering the valley
$ 0.082
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proteus-h
steemstem
2019-04-08 04:01
Cheap FM Radio Transmitter: Teardown
Hello all - it's been awhile since I last posted. Let's get to it. Sitting on my desk for the past month is a small battery powered FM transmitter sold by Straight Talk, the cell phone carrier. The device
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proteus-h
life
2018-08-31 01:56
Hazard Reef, central California
Steepshot IPFS IOS Android Web
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proteus-h
photography
2018-08-26 00:43
California scrub jay at Montana de Oro, California
This bird was surprisingly friendly this morning and let me take this picture. In the background is the Hazard Reef formation, which stretches about a mile down the coast. Steepshot IPFS IOS Android Web
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proteus-h
gadgets
2018-05-16 01:46
My X-Ray emitter device built from a barbecue lighter
Recently I completed a small project - I created a little X-ray radiation source using a barbecue lighter and a vacuum tube. When you pull the trigger, a short pulse of X-rays is produced inside the tube.
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proteus-h
photography
2018-05-12 05:05
Harmony Headlands, California, from above
I finally licensed my drone so I can use the photos for "commercial" (Steemit) purposes now. Here's a shot of Harmony Headlands, a state park north of Cayucos, from last week. It's the tail end
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proteus-h
steemstem
2018-05-12 03:07
NASA's Insight Mars Lander Mission
Early this morning, the Insight mission launched aboard an Atlas 5 rocket on a trajectory to the planet Mars. This large machine, weighing almost a ton at takeoff, will touch down on the red planet about
$ 31.390
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proteus-h
steemstem
2018-04-29 06:20
Inside an inexpensive E-reader device
About a month ago I discovered that my e-reader (which I use to store textbooks and a few other books that I occasionally read) had been smashed. It had been in my backpack for a week or two without me
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proteus-h
steemstem
2018-04-26 05:51
What is an orbit? Part 3: Orbital Transfers
In this writeup I'm going to discuss how a spacecraft can go from one orbit to another, and hopefully make it as intuitive as possible. Transferring between two orbital trajectories is done by almost every
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proteus-h
steemstem
2018-04-24 02:02
What is an orbit? Part 2: Common types of orbits
Today I'd like to briefly discuss various common types of orbital trajectories that many satellites above your head use to complete their missions. Since a given orbit defines the location and velocity
$ 65.568
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proteus-h
steemstem
2018-04-21 04:42
What exactly is an orbit? An Introduction
After several very busy weeks and a Physics GRE, I finally have another article. Today I'd like to discuss the basics of (gravitational) orbits - namely, why they occur at all and how they work. This
$ 64.812
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proteus-h
photo
2018-04-19 20:29
Looking east from the Laguna mountains near San Diego
Taken in March, near Garnett peak. Steepshot | IPFS | Google Play | IOS
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proteus-h
bryce
2018-04-01 16:43
Hoodoo in Bryce Canyon, Utah
Taken along the Navajo loop trail last week in Bryce Canyon National Park. Most of the snow has melted but the temperature was still in the 30s (F). Steepshot | IPFS | Google Play
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proteus-h
zion
2018-03-30 03:15
Moonrise over Zion Canyon, Utah
This picture shows a steep peak inside Zion National Park with the moon above it. This was taken from a detour off of the canyon overlook trail. The famous Zion tunnel passes through the mountain you see,
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proteus-h
technology
2018-03-30 00:36
Teardown/Explanation of a Bluetooth Selfie-Stick
Another cheap Bluetooth device teardown today. I recently purchased (at my local dollar store of course) a pink wireless selfie-stick. I don't really take selfies (pretty much just pictures of landscapes
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proteus-h
photography
2018-03-24 06:22
California Coast North of San Simeon
Steepshot | IPFS | Google Play
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proteus-h
photography
2018-03-22 04:38
Looking north from Montana de Oro state park, Hazard Reef
This is a view from a dune in Montana de Oro state park in central California. The town of Morro Bay can be seen in the distance up the coast. Steepshot | IPFS | Google Play
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proteus-h
steemstem
2018-03-21 03:30
Inside a tiny, wireless Bluetooth fitness tracker
For some reason my local dollar store had a ton of different types of fitness tracker devices today, all for $1.99. I decided to buy one to see what's inside. One in particular stood out for having Bluetooth,
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proteus-h
life
2018-03-21 02:00
Northern Edge of Morro Rock, California
This picture is of the rocky northern side of Morro Rock, a volcanic plug on the California coast I often visit. The cliffs on the right rise up several hundred feet. The rocks are black because they are
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proteus-h
science
2018-03-20 03:57
Electrical Component Basics: Piezoelectric Resonators
I've finally got another technical post today. My schedule got extremely busy in the last week but it's finally getting better with finals being this week (my courseload was such that the week before finals
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