h a l f b a k e r y
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Coat a pair of glasses with a hydrophobic compound.
air tubing into the temples and frame, and put vents along
side of the nose to blow outward to the sides. Feed the air
a battery operated, pocket-size pump - which may indeed be in
your jacket pocket or perhaps
When it rains, run the blower to push the water off the lenses,
you never have to wipe them.
On some scale I figure this is probably baked. I know
coatings on car windshield and motorcycle visors exists and
great to let rain flow off - if you're going faster enough for the
wind to do it. At low speeds you still have to use the wipers.
So even if that's baked, I worked my way down to a smaller
application until it seemed more silly than practical. If
links a pair of glasses that already have this feature, I'll take it
down a notch to a monocle.
Seems perfectly sensible.
[Skewed, Jun 14 2021]
Rain-x original product
There are many others, this is first on I ever used [a1, Jun 15 2021]
||I'd be concerned about the intersection of "hydrophobic" and
"optical performance". Whether chemical or micro-
structured, with the lens so close to your eye, it could be a
||Yes, Optics could be a problem, especially with
prescription eyewear. Still
better though than rain just hitting your glasses
and having to
constantly wipe. My first conception of this wasn't
prescription lenses though, mainly for the
protective glasses I
wear when cycling. I hate it when it rains!
||//I worked my way down to a smaller application until it
seemed more silly than practical//
||What's silly about it? looks perfectly sensible to me, just like
this does <link> but
what's wrong with wiper glasses?
||Oh. :( if its not silly enough I wont be able to
get a grant to develop it.
||So why not a blower for car windows?
||// why not a blower for car windows //
||I did think of posting
that - it was really my first thought - but Id be
surprised if it doesnt already exist. Likewise for
motorcycle helmet visors. Aiming for not likely done
before is what got me to scale it down to
||Memory is an odd thing too. I may or may not be
recalling this correctly - but I sort of remember
thinking about the exact blower on windshield
idea when I was a teenager, decades before HB
existed. Inspiration was twofold 1) Watching a
blower in a drive-through carwash dry a
2) The first time I used Rain-x and saw my
would clear itself in the rain, but only if I was driving