But don't bother about the bread, please.

[tigerfort]

If someone were to suck condensed milk through a straw, the effort involved would basically counteract the energy intake from consuming it, yes? At the very least, it's got to be a lot healthier than just eating it with a spoon, hasn't it?

Um, asking for a friend, obviously. A fed-up friend with a cold who's sleeping very erratic hours.

Comments

[ceb]

Be careful, drinking it through a straw will make it go straight to your head ;-)

[tigerfort]

To be fair, so do most things that actually qualify as drinking. Drinking while bypassing your head is something of a challenge :)

[wellinghall.livejournal.com]

I hope your friend feels better soon.

[colinbj.livejournal.com]

Condensed milk has 3.2 kcal = 13 kJ/g, 13 MJ/kg. To lift 1 kg 1 km under Earth gravity takes 10 kJ. So enough energy to lift the milk through a 1,300 km long straw. Allowing for human muscle and digestive inefficiencies and friction in the straw that might reduce to 130 km. Of course you can't lift a liquid more than 10 metres by suction in 1 bar atmospheric pressure.

This reminds me of the Pringle calculation: one Pringle contains 40 kJ, if you use about 100 J per metre walked on flat ground, you'd theoretically need to put your Pringles 400m apart to burn one Pringle's worth of energy. Allowing for muscle inefficiencies etc and background metabolism you could probably survive indefinitely, if not healthily, on one Pringle every 40 metres. A lot further for tins of condensed milk though.

[wellinghall.livejournal.com]

Do you moonlight as an xkcd writer? ;-)

[tigerfort.livejournal.com]

I actually hadn't thought of submitting it to XKCD. I think it's silly enough to appeal to Randall Munroe, but there doesn't seem enough potential for world-destroying mayhem. Then again, maybe there is, and I just haven't spotted it :)

[tigerfort.livejournal.com]

That would be the much lower calorie case for eating it with a spoon, though. A liquid as viscous as condensed milk (especially out of the fridge) is quite a lot more difficult to raise through a straw than it is to lift with a spoon. I've no intention of trying to work out the fluid dynamics for the situation, however - nor of trying to drink condensed milk through a straw (I suspect actually raising it would require enough force to risk damaging your lungs sucking, and I'm not that keen to find out).