University:
Arizona State University
Course:
PHYS 102 | Introductory Physics I
Academic year:

2023
Views:

246

Pages:

1
Author:

Bruised Beans

The Speed of Light: Light travels at approximately 299,792 kilometers per second (about 186,282 miles per second) in a vacuum. This speed is a fundamental constant in physics, denoted as "c." Water's Unique Properties: Water is unique because it expands when it freezes. This is why ice floats on water, allowing aquatic life to survive under the ice during winter. DNA Structure: The structure of DNA was discovered in 1953 by James Watson and Francis Crick. DNA is shaped like a double helix, which resembles a twisted ladder. Human Microbiome: The human body contains trillions of microorganisms, collectively known as the microbiome. These microbes play essential roles in digestion, immunity, and even mood regulation. The Expanding Universe: The universe is continuously expanding, a discovery made by Edwin Hubble in the 1920s. The farther away a galaxy is, the faster it appears to be moving away from us. Quantum Entanglement: In quantum physics, entangled particles remain connected so that the state of one instantly influences the state of the other, no matter the distance separating them. This phenomenon baffled even Einstein, who referred to it as "spooky action at a distance." Photosynthesis: Plants convert sunlight into energy through photosynthesis, a process that not only sustains them but also produces oxygen, which is vital for most life on Earth. The Human Brain: The human brain is made up of approximately 86 billion neurons, which communicate through trillions of connections known as synapses. Tectonic Plates: The Earth's crust is divided into several tectonic plates that float on the semi-fluid mantle beneath. The movement of these plates can cause earthquakes and volcanic activity. Biodiversity: More than 80% of the Earth's species are still undiscovered, highlighting the importance of conservation and exploration in various ecosystems.