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Donald Ian Rankin

(13,598 posts)

23. I suspect they're a lot cleverer than they look.

Reply to dipsydoodle (Reply #18)

Wed Jan 8, 2014, 06:22 PM

Jan 2014

Try rolling a cylinder full - or, even harder, partially full - of water some time, and you'll find it takes much more work than a solid cylinder, for complicated physics reasons.

I suspect that these devices will have a trick for dealing with that - perhaps an inner skin that doesn't rotate, or something like that.

If they don't, there might well be room on the market for one that does...

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Highlight:

The "Hippo Roller" and the "Water Wheel". Two innovations making life easier for women.... [View all] A HERETIC I AM Jan 2014 OP

That is worth donating to, for sure hlthe2b Jan 2014 #1

Wow-- that's great. Marr Jan 2014 #2

Gratuitous self kick. A HERETIC I AM Jan 2014 #3

The arguing in the more contentious threads keeps it kicked, redqueen Jan 2014 #4

I do like this and don't think it is a bad thing. NCTraveler Jan 2014 #7

Hippo water roller changes social status of women, children (& men) Grant Gibbs Jan 2014 #32

welcome to DU, these look very useful and much easier than carrying jugs. Are you uppityperson Jan 2014 #34

I don't agree that it changes the status of women. NCTraveler Jan 2014 #39

Your editorializing wouldn't be "pointless." It is needed! CTyankee Jan 2014 #17

I appreciate that. A HERETIC I AM Jan 2014 #22

An elegant solution 1000words Jan 2014 #5

And the WonderBag Gormy Cuss Jan 2014 #6

OK, now that is really something. nt redqueen Jan 2014 #9

And they're being made in Africa so they've created jobs. Gormy Cuss Jan 2014 #10

Oh that makes so much difference. redqueen Jan 2014 #15

I almost bought one of those for my mom for Xmas. Butterbean Jan 2014 #24

These are wonderful inventions. K&R! myrna minx Jan 2014 #8

Love it! zappaman Jan 2014 #11

great inventions. i always wondered why wheeled carts werent donated Liberal_in_LA Jan 2014 #12

K&R LadyHawkAZ Jan 2014 #13

You never see the men hauling water Boudica the Lyoness Jan 2014 #14

Yes, let's make this inspiring story an extension of DU's gender war drama 1000words Jan 2014 #16

In the silly DU gender wars, I'm usually on the blokes side.. Boudica the Lyoness Jan 2014 #29

lol Sheldon Cooper Jan 2014 #41

No shit. redqueen Jan 2014 #42

'on the side of the underdog' Sheldon Cooper Jan 2014 #44

Yeah. redqueen Jan 2014 #45

Men are starting to use the Hippo water roller Grant Gibbs Jan 2014 #33

Is it manufactured somewhere in Africa? nt redqueen Jan 2014 #43

What's surprising is that they didn't think of it earlier. dipsydoodle Jan 2014 #18

It doubles as a storage vessel 1000words Jan 2014 #21

I suspect they're a lot cleverer than they look. Donald Ian Rankin Jan 2014 #23

Funnily enough what you've described dipsydoodle Jan 2014 #25

That makes sense. Donald Ian Rankin Jan 2014 #27

Imagine, if we were to take even 5-10% of our military budget and spend it on developing nations' nomorenomore08 Jan 2014 #19

and consequently creating significantly less need for said military budget Matariki Jan 2014 #36

kick and mstinamotorcity2 Jan 2014 #20

Kick! Demo_Chris Jan 2014 #26

The Watercone is another device for getting fresh water: kentauros Jan 2014 #28

kickety countryjake Jan 2014 #30

Kick! TroglodyteScholar Jan 2014 #31

Very cool. Matariki Jan 2014 #35

Difference in capacity Grant Gibbs Jan 2014 #37

K&R LuvNewcastle Jan 2014 #38

Also, the Q Drum blogslut Jan 2014 #40