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Acoustic shock waves
(14) | 10/07/2022 | Translate: A series of speakers are so powerful, where we can see the shock waves. Sure way to lose your hearing.
The sound of the collision of two black holes The gravitational waves recorded by the collision of two black holes turned into sound waves, as can be heard in this video. On September 14, 2015, the LIGO Observatory detected gravitational waves from the merger of two black holes, with each having 30 times the mass of our sun. The incredibly strong collision lasted only for milliseconds. The first two reproductions, the frequencies of sound waves with frequencies precisely matched the gravitational waves. In the other two iterations has been converting sounds at higher frequencies that best match the range of human hearing. The video finishes playing the original frequencies again twice.- Bond strength in nailing two pieces of wood What is the best method of joining two pieces of wood with nails to give us the strongest connection; The answer is given by a simple test.
- Devastating wind in Finland During a storm in Finland, strong wind flattens a series of trees in a few seconds.
- A big wave upsets the tourists in Rio On July 20, 2019 in Rio de Janeiro, Brazil, a very strong unexpected wave hits the shore of the beach causing great unrest and fear among bathers. receding, wave swept away many people, including many children and objects.
- The defense of bees Asian bees use an impressive method to protect their nest from intruders. Communicating flapping their wings, and create "waves" in order to frighten him approaching.
- The waves hit furiously boats on the waterfront (old Epidaurus) During the passage of the cyclone 'Zorbas' in Old Epidaurus weekend, powerful waves beating furiously in Harbourfront. Two sea vessels seem to come very nearly out of water, hitting with force on cement.
- Overturning a sailing boat by strong waves In Los Angeles, California, a small sailboat play in wild waters due to strong winds, while trying to turn back the coast hit by a strong wave and overturned. Fortunately, All four occupants returned ashore unharmed.
- Cruel method against stowaways trains in Indonesia In Indonesia, many passengers climb on train roofs to avoid the ticket or the overloaded wagons. about 180.000 passengers travel daily on the roofs of trains, something that causes a headache to the authorities of the country. Railway operators recently found a radical solution. Concrete balls in turn suspended above the carriages to prevent stowaways.
- What they are and from which originate the black holes; Black holes are some of the strangest and most exciting objects in space. Both have great density and so strong gravitational pull, that even light cannot escape from them. In her latest video, The Kurzgesagt documentary series studies black holes, from birth until their death.
- How does our immune system; Every second of our life we accept attack. Bacteria, viruses and other malicious organizations, want to get into our body and to use its resources to their advantage. The immune system is a potent army cells, fighting and sacrificing for our survival. Without this will die almost instantaneously. This is a very nice animation on how it works our immune system, from the Web series Kurzgesagt.
- The quiet flight of an OWL Evolution has endowed the owls with an array of superpowers: precision hearing, night vision, and as can be seen in this extract from the documentary "Nature", completely silent flight. Flying softly, the OWL can very easily surprise its prey of.
- Bees defend themselves with waves Not to sacrifice the Stinger and their lives, the large Asian bees use a striking method to protect the nest from intruders.
- Constructing a sword for his series "Game of Thrones" Tony Swatton O is responsible for the construction of medieval swords used in the filming of the series "Game of Thrones". Surely this construction method is much faster than the forging of the blade and the handle, After starting out already cut pieces of steel into the appropriate shape. Such a sword looks very nice in appearance, but I have much less resistance.
- New method for opening the door A cat tries to open a door using an unorthodox method.
- Container falls on house In Manchester, England, strong winds caused a crane to topple over, and drop a container on the facade of a house. A little girl who was playing at that moment in the yard, luckily he was removed from the scene in time. The house was severely damaged and the occupants were forced to leave it temporarily.