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I'm Christa. 21. Biomolecular Engineering at UCSC.
Likes: STEM, food, animals, dance and pretty things
Actively changing and evolving as I hope to be :D
By Ryan Whitwam
Chopping wood is hard, but it’s something modern society has largely freed us from as a daily activity. That’s nice, but consequently, if you ever do have to chop wood, you’re more than likely going to suck at it. Splitting a log requires a surprising amount of force, but Finnish inventor Heikki Kärnä has invented a new kind of axe that makes it much easier and safer.
Yes, axes have existed since time immemorial, but apparently there’s still room for improvement.
The Vipukirves does what the name implies, assuming you speak Finnish. It’s essentially acting as a lever instead of a wedge (Vipukirves translates as Leveraxe). A regular axe needs to be driven downward with enough force to separate wood along the grain. That’s a lot of force, and if a log is hit off center, the axe blade can deflect at unexpected angles. That’s not good — your squishy flesh is much easier to split than a log.
So what makes a lever different than a wedge in this scenario? The Vipukirves still has a sharpened blade at the end, but it has a projection coming off the side that shifts the center of gravity away from the middle. At the point of impact, the edge is driven into the wood and slows down, but the kinetic energy contained in the 1.9 kilogram axe head continues down and to the side (because of the odd center of gravity). The rotational energy actually pushes the wood apart like a lever. A single strike can open an 8 cm gap in a log, which is more than enough to separate it.
The inventor also claims this tool is much safer because the downward energy that might cause harm is dissipated gradually as rotational energy. So, no abrupt shock, and no deflection. The Vipukirves also naturally comes to rest on its side, which stabilizes the log and keeps the sharp edge pointed away from the operator. It’s really a clever design.
If you want this crazy physics-exploiting axe, it’s going to cost you. The base price is €193.12 in EU countries, including VAT. For US orders, the base price is €155.74 or about $215, plus €47.26 ($65) in shipping.
"Introverts don’t get lonely if they don’t socialize with a lot of people, but we do get lonely if we don’t have intimate interactions on a regular basis."
Sophia Dembling, The Introvert’s Way: Living a Quiet Life in a Noisy World (Perigee Trade, 2012)
Because I am! You can find all sorts of information about this jam-packed, brain-exploding FREE science fest over on their website.
As for me, I’ll be performing!!! Whatever that means!! Come see me talk about science things on Saturday and Sunday! It will probably be fun! Here’s the…
As someone who wants to study the human consciousness I found this very interesting.
Scott Routley was a “vegetable”. A car accident seriously injured both sides of his brain, and for 12 years, he was completely unresponsive.
Unable to speak or track people with his eyes, it seemed that Routley was unaware of his surroundings, and doctors assumed he was lost in limbo. They were wrong.
In 2012, Professor Adrian Owen decided to run tests on comatose patients like Scott Routley. Curious if some “vegetables” were actually conscious, Owen put Routley in an fMRI and told him to imagine walking through his home. Suddenly, the brain scan showed activity. Routley not only heard Owen, he was responding.
Next, the two worked out a code. Owen asked a series of “yes or no” questions, and if the answer was “yes,” Routley thought about walking around his house. If the answer was “no,” Routley thought about playing tennis.
These different actions showed activity different parts of the brain. Owen started off with easy questions like, “Is the sky blue?” However, they changed medical science when Owen asked, “Are you in pain?” and Routley answered, “No.” It was the first time a comatose patient with serious brain damage had let doctors know about his condition.
While Scott Routley is still trapped in his body, he finally has a way to reach out to the people around him. This finding has huge implications.
HOLY STEAMING SHITFUCKS
WHY IS EVERYONE NOT LOSING THEIR SHIT ABOUT THIS
Them Japanese like that freaky shit. I’m down with it. Haha
Okay first of all I’m not Japanese, I am part Chinese. These robes are Chinese and they are beautiful, not “freaky shit”. Get out, you’re being disrespectful.
*snaps fingers in z rotation*
Uuh… it’s hard to explain, it’s a burden that just appears out of nowhere and fucks you up for days. Ignoring it is not easy. It takes over you and even tends to distort your perception of reality turning it into a living nightmare. It’s awful and terrifying.