Sergei Krikalev, a Soviet cosmonaut, found himself stranded in space for 311 days during a mission on the “Mir” space station. In total, he spent 803 days, 9 hours, and 39 minutes in space throughout his career. On December 26, 1991, while Krikalev was in space, the Soviet Union was dissolved. Due to the ensuing…
China’s glass walkways are engineering marvels, offering visitors breathtaking views from transparent paths built along the edges of mountains. These walkways are not only architectural wonders but also popular tourist attractions. One of the most notable glass walkways is the Zhangjiajie Glass Bridge in Hunan Province’s Zhangjiajie National Forest Park. This 430-meter (1,410 feet) long…
What are they? Let’s explain. Sperm bots are tiny nanorobots designed to aid individuals struggling with infertility. These spiral-shaped robots navigate through semen, much like a small snake, targeting and assisting less motile sperm. Upon locating a sperm cell, the sperm bot captures it within its spiral body, carrying it towards the egg for fertilization….
Hedy Lamarr, often hailed as “the most beautiful woman in the world,” was not only an American film star but also a brilliant electronic engineer whose innovations laid the groundwork for modern wireless communication technologies like Wi-Fi and Bluetooth. Lamarr, a Jewish immigrant from Nazi-occupied Austria, settled in the United States in 1938. Lamarr played…
Suspended in a small turret below a bomber flying at 10 kilometers altitude in freezing temperatures, ball turret gunners faced death every moment as they fired at enemy planes. Only 40% of those who went on these missions returned alive, the rest falling victim to enemy fire in the sky. These gunners had no parachutes…
The day of the first recorded solar eclipse, according to belief, was predicted by the Greek philosopher Thales. It is believed that on May 28, 585 B.C., the solar eclipse occurred, and Thales had foretold this event beforehand. Thales is revered for his contributions to early Greek philosophy and science, and his alleged prediction of…
During a solar eclipse, it’s crucial to remember that directly observing the sun can cause damage to your eyes, mainly due to the intense ultraviolet radiation emitted by the sun. This radiation has enough energy to harm the cells in the retina of the eye, leading to potential vision problems. The extent of damage depends…
Sharks are famous for their sharp sense of smell, detecting blood from far distances. But did you know that humans have an even greater ability? When rain is on its way, we can smell it in the air, thanks to a unique scent released by the soil. Despite its tiny amount—just 0.4 parts per billion—we…
Lidar is a sophisticated technology for detection and ranging light. In any mysterious forest, its laser penetrates from top to bottom and turns geographical data into images. They are mainly used to study the forest area, but sometimes they discover many ruins of ancient cultures and pyramids. Human culture is very complex. Because archaeologists say…
A rare disease that affects only one in a million people worldwide and has yet to be treated. Some may think that sleeping is not a good arrangement… But wrong…. Most people diagnosed with this disease sometimes develop temporary brain damage After waking up, they don’t remember anything. Getting up during sleep to go to…
