Key difference: Skydiving is a sport of jumping from an aircraft and performing acrobatic maneuvers in the air, while Tandem Skydiving is a type of skydiving where a student skydiver is connected to a harness attached to a tandem instructor. Skydiving was initiated in the medieval period. At that time, it potentially served by rudimentary equipment. The true concept of skydiving was bought into existence by Andre Jacques Garnerin in the early 1797.

Trolly(adjective) Of, befitting, or characteristic of a troll. Trolley(noun) A cart or shopping cart. Trolley(noun) A hand truck. Trolley(noun) A soapbox car. Trolley(noun) A gurney. Trolley(noun) A single-pole device for collecting electrical current from an overhead electrical line usually for a tram or streetcar. Usually called a trolley pole. Trolley(noun) A streetcar or a system of streetcars. Trolley(noun) A light rail system or a train on such a system. Trolley(noun)

The key difference between oil and grease is that oil has a comparatively low level of viscosity, whereas grease has a very high initial viscosity. Oil and grease are two types of high viscous substances; these two compounds differ from each other according to the viscosity level. We can easily distinguish oil from a grease depending on the level of viscosity. CONTENTS 1. Overview and Key Difference 2. What is Oil  3. What is Grease

RJ11 vs RJ14 RJ11 and RJ14 are two wiring standards that are used mostly in connecting telephone handsets. The main difference between the two is in the number of wires that are used in the connection. With RJ11, there are only two wires used while RJ14 uses 4 wires. With telephones, you need a pair of wires for each unit. The wires are twisted at a certain rate to optimize performance and are often referred to as a twisted pair.

The main difference between CNS and ANS is that CNS is one of the two main divisions of the nervous system, whereas ANS is one of the two divisions of the PNS.  The other division of the nervous system is the peripheral nervous system (PNS) while the other division of the PNS is the somatic nervous system. Furthermore, CNS is composed of the brain and the spinal cord, while ANS is composed of sympathetic, parasympathetic, and enteric nervous systems.

Key Difference: Inkjet is a type of printer that prints images by propelling droplets of ink onto the paper. These printers are the most common type of printers that are available in households. Deskjet is a brand of printers by Hewlett-Packard. These printers are a cheaper variant to the company’s Officejet printers. Deskjet is created for home usage, which means there are more compact, have less features and are cheaper. The amount of printers that are available on the market can create confusion for many people that are not techies.

Main DifferenceThe main difference between Alcohol Thermometer and Mercury Thermometer is that Alcohol Thermometer is a temperature measuring device in which alcohol is enclosed in the bulb, whereas Mercury Thermometer is a temperature measuring device in which mercury is enclosed in the bulb. Alcohol Thermometer vs. Mercury ThermometerAlcohol thermometers are one of the types of the thermometer with alcohol enclosed or filled in the bulb of the thermometer and the alcohol acts as the sensor to measure temperature; whereas mercury thermometer is one of the types of the thermometer with mercury enclosed or filled in the bulb of thermometer in which mercury acts as the sensor to measure temperature.

Key Difference – Wealthfront vs Betterment   With the number of investing opportunities increasing day by day, it is often difficult to select the most suitable option for independent investors. Robo-advisers are a relatively new development which substitutes human investment advisors. Robo-advisers are also cost effective as they usually cost only around one-third of the cost of human investment advisors. Wealthfront and Betterment are two relatively modern online platforms that gained fast popularity.

Main Difference – Cis vs Trans Isomers Stereoisomerism is the difference in spatial arrangement of molecules having the same connectivity of atoms. These molecules have the same chemical formula and molecular formula, but different geometries. These stereoisomers can be categorized into several categories considering the similarities between these molecules. Cis-trans isomers are one such type of isomers that can be found in alkanes and more specifically in alkenes. Cis-trans isomerism can be found when the position of a side group is changed while the rest of the molecules are identical to each other.

Flip Mino vs Flip Ultra Flip Mino and Flip Ultra are compact camcorders from Pure Digital. For those interested in compact video cameras or camcorders, Pure Digital’s Flip series provide excellent options. These are not only thin and small; they are also very cheap and high quality camcorders. Flip series has a very simple user interface yet produce excellent quality videos. The company has produced lots of models under trade name Flip, and here we would like to point out the differences between Flip Mino and Flip Ultra.