Antisneezing solution from an old book from the 1870s. Can't sneeze if you're unconscious they said, right?1yr ⋅ HedwigQuan ⋅ r/chemistry
Bit late, but, this little owlet wants everyone have a (next year) merry christmas!2yr ⋅ HedwigQuan ⋅ r/Superbowl
My country most favorite method of generating oxygen is by the heating up potassium permanagate, let it decompose and give out oxygen. I swear every single chemist in my country will mention this method if you ask them how to generate oxygen. Every single book use this reaction.1yr ⋅ HedwigQuan ⋅ r/chemistry
Just bought the world most dangerous substance. I cant believe they actually sell it as a reagent!1yr ⋅ HedwigQuan ⋅ r/chemistrymemes
This bottle of sulfur is almost older than me. Packed in 1987, and yep, it still useable.1yr ⋅ HedwigQuan ⋅ r/chemistry
If you can't install Windows 11 on your 50GB disk, then you can taste it!2yr ⋅ HedwigQuan ⋅ r/Windows11
bought this chonky transformer for 1400 USD (32.000.000vnd). It will be delivered to my house next week, the company doesn't use it anymore, its in perfect condition. Any idea what I should do with it?1yr ⋅ HedwigQuan ⋅ r/ElectricalEngineering
Saw a lot of people posting about their element, so here’s mine, elemental bromine, 3% diluted.1yr ⋅ HedwigQuan ⋅ r/chemistry
How do I go about disposing of this ridiculously bulged battery/laptop? Afraid to even handle it, let alone put it in my car and drive it somewhere.2yr ⋅ HedwigQuan ⋅ r/spicypillows
Last 2019, my house was get blackout, and then I don't have flashlight or candle, but I only have some resistor and high voltage battery. And then I think: WHY NOT TURN RESISTOR INTO LAMP?!?!2yr ⋅ HedwigQuan ⋅ r/ElectroBOOM
Going to buy just small amount of alum earth, found it was insanely cheap, and decided to bought 10kg of it. Now im question my life how am I gonna use all of these...1yr ⋅ HedwigQuan ⋅ r/chemistry
So, I just found out what material construct a high voltage/high current in RUSSIA2yr ⋅ HedwigQuan ⋅ r/ElectroBOOM
Get a bottle of expired sodium metal from my school. Turn out it’s still useable!1yr ⋅ HedwigQuan ⋅ r/chemistry
For one have no clue how heavy is an average (legit) 240GB SSD: it's less than 50 grams.2yr ⋅ HedwigQuan ⋅ r/pcmasterrace
IF YOU GUYS CAN SPOT MY MISTAKE you are electrician. (Dude im not MrBeast)2yr ⋅ HedwigQuan ⋅ r/ElectroBOOM
For those don't want to run cat5 cable though the entire house to just get internet, powerline to RJ45 is an alternative method. Not a joke.2yr ⋅ HedwigQuan ⋅ r/ElectroBOOM
Guy I did something. (Disclaimer: no invisible text, right to left override, just powershell and cmd)2yr ⋅ HedwigQuan ⋅ r/windows
Just discovered something (Not made by me, it's from my friend's computer)2yr ⋅ HedwigQuan ⋅ r/windows
Imagine you are an laptop fixer, one day a customer say his computer keep BSOD when start up, and it's real! But that BSOD is...2yr ⋅ HedwigQuan ⋅ r/windows
Merry Christmas everyone! Have a nice time with your brand new windows 11!2yr ⋅ HedwigQuan ⋅ r/Windows11
Testing industrial electronics. Guess who's me (note: picture not taken by me, stole from a E-safety website that has me inside it)2yr ⋅ HedwigQuan ⋅ r/ElectroBOOM
Guys sorry for wrong. I have fixed here. Ehem... Battery drain with selectable drain time, for 2 dollar! (I-NEED-RECTIFY!)2yr ⋅ HedwigQuan ⋅ r/ElectroBOOM
Sorry if this is not related to Arduino, but I can't find anywhere to post. Can I plug an SD card into the solder pad at the place I marked red? That's a china nonbrand STB. Thanks!2yr ⋅ HedwigQuan ⋅ r/arduino
Why this is a commercial product? LOL. Link: http://dutch.safetylockoutdevices.com/sale-12730320-custom-mcb-electrical-combined-circuit-breaker-lockout-device-set-without-tools.html2yr ⋅ HedwigQuan ⋅ r/ElectroBOOM
Who need this? The LED lamp was not product much heat at all. The driver only create like 0.5W of heatt!2yr ⋅ HedwigQuan ⋅ r/ElectroBOOM
I didn't realize that the fuse was soldered to the board, I used a flat screwdriver to pull it out... RIP 5A fuse...2yr ⋅ HedwigQuan ⋅ r/ElectroBOOM
Just make 500V outlet in my house with unused CATV cable and... (yes, that plug is 498V live now)2yr ⋅ HedwigQuan ⋅ r/ElectroBOOM
Was cleaning up my laptop of 5 years and... Is the battery OK? I don't have old photos for reference.2yr ⋅ HedwigQuan ⋅ r/spicypillows
Co ai giong tui khong, đi lam ve la tu pha tra đao uong, mien cai bon tra đao hoa chat ben ngoai (tiet kiem 6K)2yr ⋅ HedwigQuan ⋅ r/TroChuyenLinhTinh
Will this setup work for producing H2SO4 from sulfur and H2O2? And also, which concentration of H2O2 should be used?1yr ⋅ HedwigQuan ⋅ r/chemistry
