Category: Interesting

Can you see the lunar rover on the moon with a telescope? The landers, rovers, and other junk left on the lunar surface by the astronauts are totally invisible. Using a bigger telescope won’t help much. You’d need a mirror 50 times bigger than Hubble’s to see the landers at all, and we don’t have…

What was the Neanderthals appearance? Neanderthals’ appearance was similar to ours, though they were shorter and stockier with angled cheekbones, prominent brow ridges and wide noses. Though sometimes thought of as dumb brutes, scientists have discovered that they used tools, buried their dead and controlled fire, among other intelligent behaviors. Did Neanderthals have body hair?…

Why was Western Rome unable to stop the barbarian invasion? The fall of the western Roman Empire was not caused by the barbarians’ attempts of invasion. Rome fell because a failing tax system and internal strife. One of the rebellions was in 378 when the Goths who had been allowed to cross the Danube into…

Can servo motor turn both ways? A servo motor can usually only turn 90° in either direction for a total of 180° movement. The motor’s neutral position is defined as the position where the servo has the same amount of potential rotation in the both the clockwise or counter-clockwise direction. How do you make a…

Did the White House have outhouses? On the east side of the house beyond the extension — since removed — which corresponded to the conservatory on the west, was a row of outhouses, a carriage-house and a woodshed among them. Back and east were the kitchen-garden and the stable where the president’s two horses were…

How long can you eat donuts after expiration date? about three to five days Donuts are good for about three to five days after they are made. Donuts that have gone past their expiration date are not safe to eat. They may be stale or have developed mold. If the expiration date has passed, discard…

Can Robo advisors lose money? While robos provide exposure to the broad stock market, you’re at risk of losing money. This is true even with rebalancing and tax-loss harvesting. That’s why you want to diversify your types of investments across different asset classes. That means also having your money in cash, real estate, and perhaps…

How many miracles were performed by Elijah? Elisha asked Elijah for twice as much as his spirit; Elijah said it was a difficult request (2 Kgs 2.9). The Midrash says Elijah did eight miracles and Elisha sixteen. I Elisha’s miracles not only double Elijah’s but seem to parallel and multiply them in their themes, elements…

What are the most important differences between the two sisters — Elizabeth and Jane? They are two sisters. Jane is the elder one and then is Elizabeth. However, from first, it is perhaps clear to us that Elizabeth is smarter and with stronger personality. On the other hand, Jane was an innocent and at times…

What do bakeries add to bread? Dough conditioner is any baking ingredient that improves the production and consistency of a dough. The purpose of a dough conditioner is to simplify and expedite the bread-making process. What makes the bread soft and fluffy? Yeast ferments the sugar present in the dough into carbon dioxide. The CO2…