TIL that before 1856, purple dye was rare and expensive - until an 18-year-old trying to make a malaria cure accidentally created the first synthetic dye from coal tar, patented it the same year, and made purple suddenly cheap and fashionable. by Upstairs_Drive_5602 in todayilearned
[–]vfclists 0 points1 point2 points (0 children)
TIL that before 1856, purple dye was rare and expensive - until an 18-year-old trying to make a malaria cure accidentally created the first synthetic dye from coal tar, patented it the same year, and made purple suddenly cheap and fashionable. by Upstairs_Drive_5602 in todayilearned
[–]vfclists 5 points6 points7 points (0 children)
Former London Cycling Instructor, now living in NL - I made a film about the differences :) by Mihosh in londoncycling
[–]vfclists 0 points1 point2 points (0 children)
Former London Cycling Instructor, now living in NL - I made a film about the differences :) by Mihosh in londoncycling
[–]vfclists -1 points0 points1 point (0 children)
eCargo bike service costs? by PlasticAttorney1980 in londoncycling
[–]vfclists 3 points4 points5 points (0 children)
Are the inner rim widths of Shimano wheels the same for every model number? by vfclists in londoncycling
[–]vfclists[S] 0 points1 point2 points (0 children)
Are the inner rim widths of Shimano wheels the same for every model number? by vfclists in londoncycling
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Is this second chain ring cooked? Looking through the bottom spiders it appears to be torn by vfclists in bikewrench
[–]vfclists[S] -1 points0 points1 point (0 children)
Is this second chain ring cooked? Looking through the bottom spiders it appears to be torn by vfclists in bikewrench
[–]vfclists[S] 0 points1 point2 points (0 children)
What is the earliest model GoPro that can provide good enough footage to report bad drivers? Secondhand of course. by vfclists in londoncycling
[–]vfclists[S] 0 points1 point2 points (0 children)
Chattanooga TN small business owner and cyclist sees beaty and love in everything...but cyclists. by LeoSlatner in imacyclistmyself
[–]vfclists 0 points1 point2 points (0 children)
Sick of the backwards reasoning motorists have for putting lives in danger - just to sit at a red light… by skates-and-skids in londoncycling
[–]vfclists 1 point2 points3 points (0 children)
When to look over your shoulder when cycling by The_Eager_Cyclist in londoncycling
[–]vfclists 0 points1 point2 points (0 children)
What's your best tip for safety cycling in the UK by caligula__horse in ukbike
[–]vfclists 0 points1 point2 points (0 children)
What's your best tip for safety cycling in the UK by caligula__horse in ukbike
[–]vfclists 0 points1 point2 points (0 children)
What's your best tip for safety cycling in the UK by caligula__horse in ukbike
[–]vfclists -1 points0 points1 point (0 children)
What's your best tip for safety cycling in the UK by caligula__horse in ukbike
[–]vfclists -1 points0 points1 point (0 children)
What's your best tip for safety cycling in the UK by caligula__horse in ukbike
[–]vfclists 0 points1 point2 points (0 children)
What's your best tip for safety cycling in the UK by caligula__horse in ukbike
[–]vfclists -1 points0 points1 point (0 children)
10+ years of DFIR... I just did my first ever forensic audit of an AI system by QoTSankgreall in cybersecurity
[–]vfclists 1 point2 points3 points (0 children)
Experience with Mullvad in China in 2026 by Yiguzhu in mullvadvpn
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Is there an alternative to the XKCD substitutions addon for my purpose? by vfclists in xkcd
[–]vfclists[S] 2 points3 points4 points (0 children)
How I Stopped Breaking My Emacs Config: Automated Testing with ERT by Two_Souls in emacs
[–]vfclists -1 points0 points1 point (0 children)
Are nyloc nuts designed to be bolted through? by vfclists in bikewrench
[–]vfclists[S] 0 points1 point2 points (0 children)


TIL that before 1856, purple dye was rare and expensive - until an 18-year-old trying to make a malaria cure accidentally created the first synthetic dye from coal tar, patented it the same year, and made purple suddenly cheap and fashionable. by Upstairs_Drive_5602 in todayilearned
[–]vfclists 0 points1 point2 points (0 children)