Published DB
Blind vs Visually Impaired
 Visually impaired is a blanket term that refers to a condition where the person does not have a perfect or near perfect vision, which cannot be repaired via usual means, such as glasses or contacts. The term... |
P Type Semiconductor vs N Type Semiconductor
 The P Type and N Type are two different types of semiconductors. The P Type carries a positive charge, while the N type carries a negative charge. The charges depend on the hole concentration and the electron... |
P Trap vs S Trap
 The P Trap and S Trap and two different types of traps used in plumbing. The traps are types of pipes that use water to stop the escape of sewer gases. The S bend trap has the shape of an S, while the U bend... |
Respiratory Exchange Ratio (RER) vs Respiratory Quotient (RQ)
 RER, short for Respiratory Exchange Ratio is a ratio that aims to measure the amount of carbon dioxide (CO2) produced in comparison to the amount of oxygen (O2) used. The Respiratory Quotient (RQ), also known... |
NiCad vs NiMH vs Lithium battery
 NiCad stands for Nickel–cadmium, whereas NiMH stands for Nickel–metal hydride. Both use nickel oxide hydroxide (NiOOH) as their positive electrode. There are many different types of batteries that use lithium... |