Search found 3 matches

by albionmoonlight
Fri May 24, 2013 6:24 pm UTC
Forum: Science
Topic: Why did our helium balloon get new life?
Replies: 6
Views: 5163

Re: Why did our helium balloon get new life?

If it was right on the cusp of having the same density as air, a local pressure change might have contributed to buoying it up. Did the weather change at all near the time of the incident? No. It was kind of cool and humid. The whole thing took about 10 minutes at the most, and no noticeable weathe...
by albionmoonlight
Mon May 20, 2013 7:45 pm UTC
Forum: Science
Topic: Why did our helium balloon get new life?
Replies: 6
Views: 5163

Why did our helium balloon get new life?

My son had his birthday a few weeks ago. We had a Mylar helium Winnie the Pooh balloon attached to the mailbox. A couple of days after the party, it was hanging there--just at the point where it would fall to the ground, but very very slowly. So we took it down and started hitting it around (note: w...
by albionmoonlight
Tue Aug 04, 2009 12:39 pm UTC
Forum: Science
Topic: Real Life Physics Question
Replies: 7
Views: 1192

Real Life Physics Question

This is a verbatim copy of the email Mrs. A sent to me this morning: I thought the question I have would interest you -- or it might be obvious to those who remember high school physics; not sure. I was making tea this morning, and I wanted to measure exactly two mugs of hot water from the kettle in...

Go to advanced search