My good friend Jeff Mann, the true Yard Ramp Guy, has asked me to revisit some of my original contributions. And so: my From the Archives series. Back again to ramps, one of my favorite inventions...
I never really watched much science fiction as a kid, but my boys loved it. Dragged me to all those Star Wars movies, always had Star Trek and all those other space shows on the TV. I can't say as I'm a huge fan now, but I can definitely see the appeal. (Except for robots. We've already lost enough jobs to them; manufacturing lines hardly even need people anymore.)
Something always bothered me about a lot of those movies, though, and I only recently figured out what.
In Star Wars, when they want to travel between ships they climb the ramp into a shuttle, raise the ramp, fly over, lower the ramp. When they're delivering cargo, same thing. It makes sense.
In Star Trek, though, they have teleporters, and they use them all the time. I don't know if that stuff is possible, but it just nagged at me until I realized: they're basically like lifts.
When you're loading or unloading something, a ramp is almost always going to be cheaper, easier, and faster. Not always by much, but it will be. Less upkeep, too. I don't know how much power teleporters use, but I feel like it can't be cheap to run one. Plus, the teleporters come out in those nice, carpeted rooms. They can't possibly load all their stuff from there. There'd be marks all over the carpet.
Since they have imitation gravity on those things, why don't they just lower the gravity there and push them up ramps like they're full of feathers? Heck, you'll be saving on power this way.
I know I'm being nitpicky here, but it kinda feels like the writers on the show assumed that technology would get rid of the need for logistics. You're always going to need to load and unload things, no matter how many years in the future you are and, if you ask me, teleporters aren't going to replace ramps anytime soon.
The Yard Ramp Guy®: New Forklift Ramp Q&A
This week, my friend The Yard Ramp Guy answers three essential questions that I'm predicting will have you seeking a new forklift ramp from him in record time.
Click HERE to read all about it.
My good friend Jeff Mann, the true Yard Ramp Guy, has asked me to revisit some of my original contributions. And so: my From the Archives series. Back now to ramps, one of my favorite inventions...
You know the first thing I see when I Google "ramps"? (Ignoring those constant ads, of course). A Wikipedia article on ramps. It's a pretty well researched and detailed article, too, listing all sorts of uses for ramps, their discovery and history, even festivals dedicated to them!
The only problem, though, isn't about inclined planes. It's about a plant. Specifically: Allium tricoccum, also known as wild leeks.
So when you Google one of the most important inventions in human history—one of the basic simple machines that makes civilization work—you get a smelly weed that some people like to eat. Maybe it's just me: I think the invention that allowed us to build the pyramids is a little more important than a backyard pest that makes food smell like old socks.
At least if you search on Wikipedia itself, inclined planes are the first thing to pop up. Whoever runs that site seems to know what they're doing, unlike those culinary-minded dudes at Google. It's all that time inside, I'm telling you. It's not healthy. You need fresh air and sunlight every day, so you don't end up drooling over random greenery from your yard.
And no, this rant wasn't inspired by the new diet Maggie is putting me on. It's a legitimate complaint. I mean, I don't mind cutting back on red meat even more. I like fish and poultry just fine. I hardly drink more than a beer or two anymore, and I've been watching my cholesterol since my bypass 15 years ago.
I really just think that it's not going to hurt me to eat proper vegetables you find in the grocery store, not expensive health food store stuff I could pull out of my neighbor's yard.
(The one without the dogs, at least. Nice dogs, but I'm not eating anything out of that yard.)
That's not the point, though. I just think that Google is doing inclined planes a real disservice.
The Yard Ramp Guy®: Success in Yard Ramp Industrials
This week, my friend The Yard Ramp Guy's big wheels keep on turning with a great riff on the importance of attention to detail.
Dig into the specifics HERE.
I've been composing this blog since July of 2014. That's five years and 151 entries. My good friend Jeff Mann, the true Yard Ramp Guy, has asked me to revisit some of my original contributions. And so: my From the Archives series. Fitting, then to start from the very beginning, with my very first entry...
The pyramids are among the wonders of the ancient world for a pretty simple reason: they're huge. Doesn't take much to figure that one out. But what got me interested in the pyramids in the first place was their construction.
The ancient Egyptians obviously didn't have the technology for moving heavy loads that we did. All they had were a few primitive cranes, some basic levers and rollers, and, of course, ramps.
The old idea about how the Egyptians built the pyramids involved thousands of slaves hauling blocks up huge straight ramps to the top. It looks cool in the movies, but it doesn't actually work that well. The amount of material and labor needed to construct straight ramps to the top—and to continue building them up as the pyramid grows—is pretty close to the amount you'd need to build the actual pyramid itself, not to mention that they haven't actually found any evidence for ramps that colossally huge. Building ramps that huge, I say, is just a waste.
It seems more likely that they instead either zigzagged the ramp up one side or spiraled it around the pyramid, using uncompleted segments as the ramp. This would have allowed them to construct the vast majority of the pyramid easily, though the top third of the structure would have needed to be moved up, using levers. Since it's so much narrower at the top, though, that top third makes up less than five percent of the total weight of the pyramid. That's working smart.
Historians and archaeologists also think that rather than huge hordes of slaves, the pyramids were constructed by smaller teams of well-paid skilled laborers, who were cheaper than feeding an army of slaves and got things done much quicker. No one's said anything about ancient Egyptian unions, but I've got some cheerful suspicions about that.
The Yard Ramp Guy®: Planned Industrial Longevity
This week, my friend The Yard Ramp Guy makes a Ramp Rules-worthy connection between Greta Garbo's perfume and industrial yard ramps.
Sniff it out it HERE.
Preventing Satellite Debris
In 2013, director Alfonso Cuarón came out with Gravity, a movie about junk. Specifically, it's a movie about space junk.
In the film, a missile strike on a satellite results in a runaway chain reaction of collisions between space junk and satellites. This brings down space stations, satellites, and spacecraft left and right, rendering Earth's orbit useless to manned travel.
Gravity is an excellent movie, and we’ll forgive a few scientific inaccuracies, since they're all in service of the plot. (Neil Degrasse Tyson, despite his multiple criticisms of the science, is a fan of the film.)
The threat in Gravity is a very real one. It's a scenario known as Kessler Syndrome, where space debris collides with space debris, generating more space debris, which collides with yet more space debris, until that specific orbit around Earth is so filled with debris that it is rendered nearly useless for human purposes. (Low Earth orbit is the most likely orbit to be lost to this process, though geosynchronous orbit is another possible victim.)
It's not astonishing that this is a serious concern for NASA and other space scientists. There are more than 2,000 satellites in orbit, about 1,500 of which are operational, along with nearly 18,000 trackable artificial objects.
Smaller objects are even more common—at least 29,000 chunks of debris in orbit that are more than 10cm in size, nearly 700,000 between 1-10cm in size, and 170 million chunks of debris below 1 cm in size.
Even with how spacious Earth's orbit is, there's a very high chance of impact, and at least one satellite is destroyed by debris every year. Space junk is a serious threat even if it doesn't trigger Kessler Syndrome.
Steps are being taken to combat the risk. We're tracking debris much more carefully than ever right now. The International Space Station and other spacecraft have special protective layers known as Whipple shield: instead of building hulls out of thicker material, engineers add an extra thin layer some distance over the regular hull. The layer isn't meant to stop the debris but to break it into smaller chunks. In essence, Whipple shield turns debris from a bullet into birdshot. It even makes the needed thickness for the inner hull much smaller, so overall spacecraft mass is actually reduced.
And this: we’re developing a technology known as a laser broom. Targeting a laser on debris will heat up one side of the debris. The resulting heat emissions will then alter and destabilize the debris' orbit, causing it to burn up in the atmosphere.
Like me, trying to make pizza.