Light Travels Faster Than Sound, That’s Why Some People Appear Bright Until They Speak

Light travels faster than sound, that’s why some people appear bright until they speak

More Posts from Optimisticcloudgarden and Others

7 years ago
Hong Kong - China (by Bailey Cheng) 

Hong Kong - China (by Bailey Cheng) 

7 years ago

Raise your words, not voice. It is rain that grows flowers, not thunder.

Rumi   (via quotemadness)

7 years ago

You wear a mask for so long, you forget who you were beneath it.

Alan Moore (via quotemadness)

6 years ago

“Everything interests me but nothing holds me.”

— Fernando Pessoa


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8 years ago
There Is A Diamond ExoPlanet And It’s Worth Is $26.9 Nonillion.

There is a Diamond ExoPlanet and it’s worth is $26.9 Nonillion.

If we stacked all that money in $50 notes, this would be the outcome. The earth(on the left at the bottom) is used for size comparison.

$26.900,000,000,000,000,000,000,000,000.000

8 years ago

My mind says no, my heart says hello

7 years ago
An Artist Made A “third Thumb” For Your Hand That Makes Everything Easier
An Artist Made A “third Thumb” For Your Hand That Makes Everything Easier
An Artist Made A “third Thumb” For Your Hand That Makes Everything Easier
An Artist Made A “third Thumb” For Your Hand That Makes Everything Easier
An Artist Made A “third Thumb” For Your Hand That Makes Everything Easier
An Artist Made A “third Thumb” For Your Hand That Makes Everything Easier
An Artist Made A “third Thumb” For Your Hand That Makes Everything Easier
An Artist Made A “third Thumb” For Your Hand That Makes Everything Easier
An Artist Made A “third Thumb” For Your Hand That Makes Everything Easier

An artist made a “third thumb” for your hand that makes everything easier

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7 years ago

So, our physics teacher has the strange idea of motivating his students by letting each of us present a physical phenomenal we find interesting to our classmates in a 5-minutes-presentation. And now I need something that is interesting for everyone - even people that usually don't care for physics -, but has interesting facts for someone who's interested in it, too (preferably with an easy experiment). You don't happen to have any ideas, do you?

First of all, your professor is awesome for taking the time to do this. Of the top of my mind, the best one I have is Chladni figures.

image

Basically take a flat metal plate, fix it at the center and spray some fine sand particles on it.

Using a violin bow, gently excite any edge of the plate to magically witness these beautiful normal mode patterns ( known as Chladni patterns/figures ) forming on the plate.

image

Also notice that by pinching the plate at different points, the pattern obtained changes.

image

There is a whole lot of physics that goes behind such a simple phenomenon and I dare say we understand it completely. There are lots of questions on these figures that we have no answer for!

Hope this helps with your presentation. Have a good one!

Gif source video: Steve Mould

5 years ago

If a smile lasts for more than a minute, it's a con-man's ruse

Captain Holt from Brooklyn Nine-Nine


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8 years ago

Wanted by many Taken by none Looking at some Waiting for one

Quotes & mind-itch

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