Nature, Final Feature and Feline Friday

 

Our hosts for Nature Friday  LLB Gang   

At 8pm Saturday, January 24, a bit of snow and sleet started to fall. This is not snow.   About 11 pm it turned in to all it is a combination of freezing rain and sleet 

Photo taken at 8 am Sunday, January 25, 2026

Click here to visit YAM

As you saw on yesterday's post, we had a sleet/freezing rain/and a wee bit of snow event earlier this week.  In case of a power outage, we had plenty of blankets and gas logs to stay warm; however, I was very concerned about NO coffee. I bought a TAL ranger pro thermos.

The info stated, it would keep hot beverage hot for 14 hours.  WooHoo I ran hot water thru my coffee maker at 12 noon on Friday at 10 pm Friday night it was still HOT.   My idea was to make coffee on Saturday night so we would have hot beverage on Sunday. BUT as the saying goes 'the best laid plans of mice and (wo)men always come to no good end'. At 10 pm Saturday night I warmed up the thermos with hot water.   I made coffee, added it to the thermos at 10:30pm.  When we got up at 6 am 7 1/2 hours later.  The coffee was barely warm...so I asked Gigi Google about this.

Short answer is:

Water stays hotter than coffee in a thermos primarily due to a smaller temperature difference between the hot water and the ambient air, resulting in slower heat loss. Coffee is often served hotter and cools faster because heat loss, through conduction and radiation, is proportional to the difference in temperature, meaning the hotter liquid (coffee) loses heat more rapidly to the environment and oils in coffee make it cool faster. 

Longer more scientific answers are at the end of the post.

Click here Hostess Miss Mimi

Flashback January 29, 2010

In observance of Puzzle Day.....which is Friday, January 29th.

Mom and I have a math puzzle for you all to work out

x+y=1bc

January 30, 2010

The answer to yesterday's puzzle

Madi and I add a disclaimer here since neither of us are mathematically inclined!!

is below.

x(Mom) + y(Dad)=bc(1 busy cat)

GOTTCHA!!!
MOL LOL BOL AND LOLTIME (laughing out loud tears in my eyes)

Longer answer to why water stays hotter than coffee in a thermos

Reasons for Temperature Differences:

• Temperature Difference (Delta T): Hotter liquids, like coffee, have a larger temperature difference with the surrounding air compared to warm water. According to thermodynamic principles, a higher temperature difference leads to a faster rate of heat transfer.
• Initial Temperature and Thermal Mass: Coffee is typically brewed and poured at a higher temperature than water for tea or other uses, causing it to lose more energy over time.
• Thermal Conductivity and Insulation: While a thermos uses a vacuum layer to minimize conduction and convection, and reflective, silvered surfaces to reduce radiation, no insulation is perfect. The higher the temperature of the liquid, the faster the heat will eventually pass through this insulation.