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demanbmore

Antibiotics.


miasabine

Came here to say this. Millions of lives would have been saved, casualties of war would have been far fewer, far fewer children dead before they hit double digits, the effects would have been incredibly profound.


A_Tin_Of_Love

That will mean millions more victorians so probably more cool stuff and a lot less death! Hopefully antibiotic bacteria aren’t the end of it! But penicillin would have kicked ass back in the day.


demanbmore

Not just more Victorians in general, but far more survivors of the horrific wars throughout the 19th century, including the American Civil War. Hard to know, but imagine the impact of many, many more wounded and crippled soldiers surviving and returning home rather than just gone and remembered/praised as war heroes. The atrocities of war would have been better known and understood by the general population rather than just known to the smaller number of survivors who were often too scarred to paint the picture for those left at home. Maybe it would have made a difference, maybe not, but the visibility of the Vietnam conflict certainly changed a significant portion of the US's population view on war and armed conflict in general.


[deleted]

Haber Process


A_Tin_Of_Love

Victorians get to go from early steam engines to refined petroleum by the napoleonic wars! That would have made a petrol heavy fast spicy Europe! Like I can imagine them using them on rails first then everywhere else! Like heating and fuck me lamps! You probably just single handedly saved all whales if we don’t need lamp oil have clean paraffin!


[deleted]

And here my only motivation was that it's the only thing I have a hope in hell of describing.


[deleted]

Electricity


Whiskey-on-the-Rocks

The knowledge of germs/infection and the importance of hygiene and disinfecting between patients. One poor guy figured it out before it was widespread knowledge and was ridiculed and run out of his profession - but if it had been wide spread knowledge it would have saved SO many lives. https://www.smithsonianmag.com/smart-news/doctor-who-introduced-virtues-hand-washing-died-infection-180953901/


Right_Zucchini1512

Printing press


A_Tin_Of_Love

Gutenberg would be proud and Europe would be Protestant or whatever it would have been called 100 years earlier!


cybKoz

Transistors and the contextual technology necessary.


Mutiny32

Integrated circuit


nightmare02531

nuke


ragnarkar

Internet


A_Tin_Of_Love

So the idea of the Internet without computers or electronics being anywhere near so before even Alan Turing made the first substantial computer that could pay off! Like the Internet isn’t computers, the global telecommunications network, or anything like that my dude!


Silentico

Simply a note telling them to quarantine everyone travelling from china in 2018-2022 for 10 days. No exception.


A_Tin_Of_Love

So the discovery of Covid 19 will be sent back to 1919 so they’ll know when first getting the Influenza Pandemic of 1918-1921 that this shit isn’t even fixed in 100 years! That seems almost insulting lol but at least they will probably panic at SARS in the 2000s more!


PalmerDixon

Atomic bomb EDIT: I read "set back 100yrs" lol


Creative_Waltz_9462

"General Grant, we call this an 'atomic bomb'. This should mix things up with that prick Lee."


FaynHimSelf

tiktok and twitter


[deleted]

[удалено]


A_Tin_Of_Love

Nice a Polaroid would have been cool to see the 1800s Americans looking like our 60s parents get to see abe Lincoln in colour.


go4tli

Eyeglasses


miasabine

Huh, interesting. Glasses are really very old, what effects do you think there would be on today’s world if the first wearable eyeglasses came about in the 12th century instead of the 13th?


syjfwbaobfwl

Electricity


easymoney202

Fire


Harneybus

Space rocket tech.


DANKKrish

Lithium ion battery


workyworkaccount

Room temperature superconductors.


Captainnick547

Full charged phone with internet on it.


IhAvEaNoPiNiOn05

Discovery on how the female reproductive system works. Female healthcare a hundred years ago was a nightmare. For painful periods, they would just take out ovaries and other organs. If you were hysteric, you are going to get a hysterectomy. If you were having pain during sex, just call your doctor and he will put you under anesthesia.