The amazing phenomenon captured above is not actually visible to your naked eye, only to the camera. Running at 24 frames per second, as opposed to the ~12 frames per second rate of our eyes, the camera can register the vibrational signature of the sound coming out of the speaker as it affects the nozzle of the hose. You can see this in slow motion at around 1:07. To try this experiment yourself, check out the instructions by the filmmaker on YouTube. And for a cool discussion on what your eye can and can't detect, read this.
Now here's your geek round-up:
- In honor of Brain Awareness Week, download and play The Great Brain Experiment to help researchers investigate how the mind works.
- Want to know what it's like inside a black hole? There's an app for that.
- Tongue-eating fish parasites. Not my favorite four-word phrase in the English language, but I have to admit they're kind-of fascinating. Gross, but fascinating.[VIDEO]
- Australian researchers theorize now-extinct wolf species on Falkland islands came from South America during the last ice age.
- Even Saturn isn't safe from meteors. Check out these cool pictures of its rings taking the hit.
- This 13-year-old Massai boy in Kenya created an LED system to keep lions from attacking his family's livestock. [VIDEO via TED]
- Giant salamander sucks up its prey like a jet engine sucks up oxygen. [VIDEO]
- John Snow's cholera map of London in the 1850s is now digital.
- Best new tumblr this week: highlights from National Geographic's photo archive over the past 125 years.
- Hearing only half of a conversation (i.e., someone talking on their cell phone) is annoying as heck, scientifically speaking.
- Three new huge and cleverly named telescopes coming soon to a mountain top not so near to you: the Giant Magellan Telescope (GMT), the Thirty Meter Telescope (TMT), and the European Extremely Large Telescope (E-ELT).
- Lastly, 55 years ago today, Vanguard 1 was launched into orbit and it remains the oldest man-made object in orbit today. You can watch the launch and listen in as the engineers in mission control discover it has successfully attained orbit (around 3:55). [VIDEO]
Until we geek again. @Summer_Ash