/u/Philosofred's posts in /r/askscience

Year:

Only show posts with narrations

If I urinate outside, will my dog or even other dogs recognise it as me marking my territory?

1046 upvotes

Mark as read: Add to a list

When an LED flashes on and off is it using less power than if it were on the whole time?

134 upvotes

Mark as read: Add to a list

Why is it that when a black person and a white person have a baby, the babies skin is mixed or 'half caste' whereas all other factors such as eye colour or hair colour are either one or the other?

87 upvotes

Mark as read: Add to a list

If a plug socket is switched on but no device is connected, is electricity still flowing? Does it cost money?

6 upvotes

Mark as read: Add to a list

Why is it when I stir my drinks, the bubbles all rush to the centre? Surely centripetal forces would force them to the edge?

5 upvotes

Mark as read: Add to a list

How can a solid be transparent?

3 upvotes

Mark as read: Add to a list

How can a device such as a phone 'resist' being charged if it plugged in and connected to power?

3 upvotes

Mark as read: Add to a list

What did bugs that are attracted to lights do at night before electric lights were invented?

1 upvotes

Mark as read: Add to a list

Is there an absolute heat where you can get no hotter? Maybe when the atoms are moving at just below c?

1 upvotes

Mark as read: Add to a list

Why does water feel colder in your mouth after eating mints?

1 upvotes

Mark as read: Add to a list

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If I urinate outside, will my dog or even other dogs recognise it as me marking my territory?	1046
When an LED flashes on and off is it using less power than if it were on the whole time?	134
Why is it that when a black person and a white person have a baby, the babies skin is mixed or 'half caste' whereas all other factors such as eye colour or hair colour are either one or the other?	87
If a plug socket is switched on but no device is connected, is electricity still flowing? Does it cost money?	6
Why is it when I stir my drinks, the bubbles all rush to the centre? Surely centripetal forces would force them to the edge?	5
How can a solid be transparent?	3
How can a device such as a phone 'resist' being charged if it plugged in and connected to power?	3
What did bugs that are attracted to lights do at night before electric lights were invented?	1
Is there an absolute heat where you can get no hotter? Maybe when the atoms are moving at just below c?	1
Why does water feel colder in your mouth after eating mints?	1