The Ultrafast Snap Of A Finger Is Mediated By Skin Friction

Share This Post

Researchers investigated the mechanics behind the finger snap under the scope of a latch-mediated spring-actuated system (LaMSA), where, in technical terms, “energy is loaded in a mass–spring system by an external motor over a relatively long period of time before being held in place with a latch.” A snap of the finger is found to deliver the greatest rotational acceleration seen in humans, reaching an accelation of 1.6 106° s2 in 7 ms. The key seems to be in the friction that our skin provides, acting as the “latch”. Read full article here

More To Explore


Researcher uses AI to make texts that are thousands of years old readable

The Gilgamesh Epic, the oldest work of world literature, has been brought back to life by LMU researchers in the Electronic Babylonian Literature project. Using their new Fragmentarium tool, they have discovered hundreds of manuscripts, including the most recent tablet of the Gilgamesh Epic which dates from 130 BC – thousands of years after the earliest known version. This shows how highly valued the Epic was, even at a late period. With the public release of the Fragmentarium, anyone can now explore the thousands of cuneiform fragments and explore the ancient Babylonian literature. Read full article here


Why a Strong Media Presence Will Help You in Economic Downturn

In times of recession, companies are looking for ways to cut costs, but instead of slashing their marketing budgets, they should be considering earned and owned media strategies. These are much more affordable alternatives and can be extremely effective – earning a company trust and loyalty from customers, which is essential to their survival. With the right amount of effort, earned and owned media can be an invaluable tool for companies looking to stay in the public eye. Read full article here

Do You want to embrace intellectual freedom and join our premium users?


The occasional email full of conversation-worthy content