When was the Panzer invented? Panzer, German in full Panzerkampfwagen, series of battle tanks fielded by the German army in the 1930s and ’40s. The six tanks in the series constituted virtually all of Germany’s tank production from 1934 until the end of World War II in 1945. Why were Read more…
Which is the best state fair in the US? Here’s our round-up of the best state fairs in America to add to your calendar in 2020. Minnesota State Fair in St Paul. The State Fair of Texas in Dallas. Wisconsin State Fair in West Allis. Iowa State Fair in Des Read more…
What is a Strowger switch? The Strowger switch uses two telegraph-type keys on a telephone set for dialing. Each key requires a separate wire to the exchange. The keys are tapped to step the switch in two stages. What are the Strowger switching components? The Strowger switch consisted of essentially Read more…
Can you put a lock on a mini fridge? Although you can buy a mini fridge with a lock on it, you can also buy the lock system separately. Don’t drill a hole into your refrigerator in hopes of attaching a hinge lock; you might accidentally hit one of the Read more…
What is a zero dollar authorization? A Zero Dollar Authorization, also sometimes referred to as a Verification transaction, provides merchants with an effective way of validating account number and other elements such as CVV and AVS (Address Verification Service) without actually charging the card. Why is there a 0 dollar Read more…
How does a film canister rocket work? When the alka seltzer or vitamin tablet reacts with the water it releases carbon dioxide ( a gas ). The carbon dioxide builds up inside the canister, increasing the air pressure so much that when the canister can take no more it pops Read more…
What are the cleaning properties of lemon? Lemon, like vinegar, is a terrific cleaning agent. The acid in lemons is antibacterial and antiseptic, and it acts as a natural bleach. The citrus smell of lemon is refreshing and invigorating. Oils in the rinds can also help to clean and shine. Read more…
What does high mannose binding lectin mean? A role for mannose binding lectin (MBL) in autoimmune diseases has been demonstrated earlier and elevated level of MBL has been shown in systemic lupus erythematosus (SLE) patients. In the current study, we investigated MBL as a potential biomarker for disease activity in Read more…
How do you split two files in UNIX? Try using the -l xxxx option, where xxxx is the number of lines you want in each file (default is 1000). You can use the -n yy option if you are more concerned about the amount of files created. Use -n 2 Read more…
Do free Steam games expire? Yes, once the game is in your Steam Library you get to keep it regardless as to whether or not you installed the game on your PC. Is there any free games on Steam? Steam also boasts many excellent free-to-play games that you can enjoy Read more…