Chestnut-backed chickadees 3 days old, feeding & poop removal

Dad, mom chestnut-backed chickadees feed babies April 18, 2025 live at youtube.com/@graychang99/live

Chickadees hatching early morning April 18, 2025 live cam youtube.com/@graychang99/live

Vicious fight between two chestnut-backed chickadees over nesting box March 25, 2025

Chestnut-backed chickadee adds fluff to nest and flutters wings to form nest cup March 28, 2025

P-N junction, electron/hole flow, exponential diode equation, valve, photovoltaic solar cell, LED

P-N junction, injected carrier profile, diffusion length L, electron/hole currents vs X, Kirchhoff

P-N junction forward bias, Boltzmann, majority & minority injected carrier concentration profiles

P-N junction, depletion region, electric field barrier, built-in potential, reverse bias

Semiconductor P-N junction, electron/hole diffusion & drift, non-uniform doping profile

Semiconductor doping, donor/acceptor electron/hole, mass action, pH analogy: acid/base H+/OH-

Electrons and holes in semiconductors: intrinsic/extrinsic silicon, donors & acceptors, mass action

Silicon & diamond unit cell atomic model, wafer/crystal orientation, Miller indices (100) (111)

Reebok Classic Leather Unisex Running Shoe review (black GY0955) compared to old Club C

Chickadee nest-building to fledging time lapse

Birdhouse with ceiling webcam and natural-lighting windows

3-eyed bird (extra eye on side), chestnut-backed chickadee in nest box

Rare Oriental Turtle Dove in Palo Alto, California: February-March 2022

Oak Titmouse in Bird Nesting Box Stereo 3-D View

3-D Stereo Cross-Eyed Image Viewing Methods Without Glasses

Egg-to-fledge time lapse, chestnut-backed chickadee feeding & waste removal

Chickadee mimics snake hiss and movement to scare off feared predator

Chickadee mom helps overstuffed baby share food with siblings & removes diaper

Chickadee feeds baby and discards diaper (fecal sac)

Mom & dad chestnut-backed chickadees feed babies and eat fecal sacs

Mom & dad chickadees feed newly hatched babies and remove eggshells

Chickadee fights snake intruder in nesting box -- frightening

Chickadee struggles to remove twig brought by wren into nesting box (0:50)

9 days of nest-building in a minute: Chestnut-backed chickadee

Solar-Powered Dowsing for Buried Hoards of Gold & Silver Treasure (ha, ha)

Fight between nest-building chestnut-backed chickadee and an interloping bird

On-Site Solar Path Visualizer (Life-Size Analemma) for Architects, Solar Installers, Astronomy

Feb 5: Bewick's wren nesting ritual

How the HelioTrak Sundial Works, a Transparent World Globe

HelioTrak Sundial Astronomy Tool Shows Solar Paths Through Sky

LibreOffice Writer vs Microsoft Word on Raspberry Pi 4 or 400, Core i7 PC

LibreOffice Calc vs Microsoft Excel on Raspberry Pi 4 or 400, Core i7 PC

LibreOffice on Desktop Raspberry Pi 4 or 400 vs Microsoft Office on Core i7 PC

LibreOffice Impress vs Microsoft PowerPoint on Raspberry Pi 4 or 400, Core i7 PC

Creating aliases in the .bash_aliases file on the Raspberry Pi

Map Upside-Down & Backwards in Raspberry Pi Chromium Browser (PurpleAir)

Hide Messy Wires and Cables in a Wooden Box

Brother TN-450 Toner Cartridge Runs Out Too Soon (Early "Replace Toner" Message)

Reset Lever Gear to Fix "Replace Toner" on Brother Laser Printer (TN-450 Cartridge)

Fix "Replace Toner" on Brother Laser Printer (TN-450 Cartridge), Reset Key Sequence

Bird Nesting Box Camera Lens Shade for Flare/Glare

Natural-Light Window for Better Bird Nesting Box Webcam Videos

VMS CMS5 Video Capture Recording Green-Backyard Bird Nesting Box Camera

CMOS Tech: NMOS and PMOS Transistors in CMOS Inverter (3-D View)

CMOS inverter, NOR, and NAND Schematics, Models Using Light Switches

CMOS NOR Logic Model Using Light Switches

CMOS Inverter Model Using Light Switches

Make a Cardboard Camera Obscura

Scaling Math: WHO Hand Sanitizer Formula Home Use

91% Isopropyl Alcohol: Scale Down the WHO Hand Sanitizer Formula

Ethanol 180 & 140 Proof: Scale Down the WHO Hand Sanitizer Formula

70% Isopropyl Alcohol: Scale Down the WHO Hand Sanitizer Formula

Fórmula casera desinfectante para manos de la OMS

WHO Formula Hand Sanitizer Usage

Aloe Vera as a Homemade Hand Sanitizer Ingredient