The hard defensive calcarious structures (spicules) incorporated within the bodies of many soft-bodied marine invertebrates including Gorgonian corals, Sponges and Hoiothuria accumulate as “coral sand” on the sea floor and form a major constituent of many tropical white sandy beaches’.
You just never know when someone will split their head open
Or cut their finger while cooking
And so on
See that membrane there?
While the blood is gushing - hold pressure and crack open an egg
Peel that there membrane off and put it on the wound (continue holding pressure)
The membrane will harden and keep the wound closed until you can get to the ER for stitches
If you even need them that is
Nature: 1, Band aids: 0
I did some research on this (because I do that now, fucking science get out) and it seems that this was done in the early 1900s somewhat frequently. It was used as a way to treat just about any kind of skin wound, from burn to cut to in at least one case an ulcer. It actually helps the wound heal not by preventing blood loss but by replacing part of the skin tissue and helping it grow.
It also helps in healing scars and reducing their visibility.
M.I.T. Computer Program Reveals Invisible Motion in Video
A team of scientists at the Massachusetts Institute of Technology has developed an image-enhancing software program that can reveal subtle fluctuations in colors and motions once thought to be invisible to the naked eye. Head over to the New York Times for more details on this story.
Qué ocurre si enchufas 15.000 voltios a un bloque de madera?una preciosa erosión fractal. Se trata de un curioso experimento de Melanie Hoff que aquí se muestra acelerado, y en cuyos dibujos influyen las vetas de la madera, sus direcciones y las capas de pegamento que unen las diferentes láminas del conglomerado.
jellyfish don’t sting through electricity or by touch. Jellyfish sting through a special type of cell called a Cnidocyte, there are three types of cnidocytes currently known. Spirocysts which entangle their prey, Ptychocysts which build tubes for tube anemones and the most well known Nematocysts. Nematocysts consist of a toxic barb which is coiled on a thread inside the cindocyte, when triggered the barb is ejected almost instantly taking only 700 nanoseconds to fire and firing with a force of five million g’s. A cindoctye can only fire once, and must be replaced when fired a process that could take 2 days.
I can’t stop watching this. A simulation of the eventual collision of the Milky Way and Andromeda Galaxies.
Space makes so much more sense to me when sped up. As scary and violent as it seems, there would be very little colliding actually happening do to the insane amount space between objects.
from Wikipedia: While the Andromeda Galaxy contains about one trillion (1012) stars and the Milky Way contains about three hundred billion (3x1011); the chance of even two stars colliding is negligible because of the huge distances between each pair of stars. For example, the nearest star to the Sun is Proxima Centauri, about 3x107solardiameters (4x1013km or 4.2 ly) away. If the Sun were a ping-pong ball in Paris, the equivalent Proxima Centauriwould be a pea-sized ball in Berlin (and the Milky Way would be about 1.9x107 km wide, about a third of the distance to Mars).
Jay Mark Johnson uses a slit camera that emphasizes time over space. Whatever remains still is smeared into stripes, while the motion of crashing waves, cars…are registered moment by moment, as they pass his camera by.
Like an EKG showing successive heartbeats, the width of an object corresponds not to distance or size, but the rate of movement. Viewing the left side of the picture is not looking leftward in space but backward in time.