What is the shape of the spaceship? Most construction techniques in use are based on metal plates. Therefore, spacecraft shaped like cubes or cylinders (a bent plate) are easy to manufacture. The sharp edges are however less optimal than the sphere to withstand internal pressure. Why does the space shuttle have small wings? The shuttle’s […]
How is a number not a square number?
How is a number not a square number? One starting test for showing a number will NOT be a perfect square is to use “casting out 9’s”. Remove any digits that are 9 or that add up to 9. If it is not a perfect square, then the original number cannot be a perfect square. […]
What did William Pitt the Younger do?
What did William Pitt the Younger do? He became the youngest prime minister of Great Britain in 1783 at the age of 24 and the first prime minister of the United Kingdom of Great Britain and Ireland as of January 1801. He left office in March 1801, but served as prime minister again from 1804 […]
Do tanning beds emit radiation?
Do tanning beds emit radiation? Sun lamps and tanning equipment emit rays of ultraviolet (UV) radiation. Exposure to UV radiation, whether from tanning equipment or from the sun, increases your risk of developing skin cancer. How much radiation does a tanning bed emit? Tanning beds use fluorescent bulbs that emit mostly UVA, with smaller doses […]
Can radiation occur through solids?
Can radiation occur through solids? All physical substances in solid, liquid, or gaseous states can emit energy via a process of electromagnetic radiation because of vibrational and rotational movement of their molecules and atoms [2]. The radiation occurs at all temperatures, with the rate of emission increasing with the temperature. How is heat transferred through […]
What volcanoes have cinder cones?
What volcanoes have cinder cones? Cinder cones are commonly found on the flanks of shield volcanoes, stratovolcanoes, and calderas. For example, geologists have identified nearly 100 cinder cones on the flanks of Mauna Kea, a shield volcano located on the Island of Hawai`i (these cones are also referred to as scoria cones and cinder and […]
What is the R in math called?
What is the R in math called? The set of real numbers is denoted using the symbol R or. and is sometimes called “the reals”. Real numbers can be thought of as points on an infinitely long line called the number line or real line, where the points corresponding to integers are equally spaced. What […]
What is the total number of prophets in the Bible?
What is the total number of prophets in the Bible? Twelve Prophets Christianity counts the Twelve Prophets as twelve individual prophetic books, and refers to them as the Dodekapropheton (Greek for “twelve prophets”) or simply as “the Minor Prophets,” indicating their relative length when compared to the Major Prophets. What tribe is Jeremiah? When the […]
What are the parts of a timeline?
What are the parts of a timeline? There are four major components of a timeline infographic that should be detailed in the outline: Dates. Descriptions. Headers (optional) Images (optional) What is time Line explain? 1 : a table listing important events for successive years within a particular historical period. 2 usually timeline \ ˈtīm-ˌlīn \ […]
Why does light warp around my finger?
Why does light warp around my finger? To recap: This effect is caused by the background being (slightly) out of focus, and by the foreground object effectively occluding part of the camera / eye aperture, causing the effective aperture (and thus the resulting image) to be shifted. How does light bend around an object? Diffraction […]