AskScience AMA Series: We are developing a multi-sensor robotic vehicle (named Ugo 1st) for humanitarian de-mining. Ask Us Anything! |
- AskScience AMA Series: We are developing a multi-sensor robotic vehicle (named Ugo 1st) for humanitarian de-mining. Ask Us Anything!
- How is the date of archeological sites estimated?
- Some modern computer programming languages compile into an intermediate language that is common among multiple languages (C#, VB.Net, Java). Could the same be done for human language instead of trying to convert directly from language to language?
- Is there a point where something can’t get any louder - i.e. the loudest something can be on earth, or can something just keep getting louder?
- If I stand on my lawn holding a mirror facing the sun, will any of the sun’s reflected light reach the surface of the sun?
- Where does Brewster's angle come from? How is light polarized by reflection? How is light polarized by scattering?
- What's stopping planes from being built increasingly larger just by scaling up?
- What things contribute the most to climate change and why?
- Why are methanol and hexane flammable, while salicylamide and benzhydrol aren't?
- Is there any discernible structure in the cosmic microwave background noise?
- Is their any material that allows light to travel only in one direction?
- Why is the gut sometimes considered part of the nervous system? What are/is gut flora and what do they do?
- Why do some mosquito bites develop into a splotchy rash, while others stay a neat little bump?
- How do submarines obtain oxygen over long periods of being under water?
| Posted: 03 Jul 2018 04:00 AM PDT Hi reddit! We are developing a multi-sensor robotic vehicle (named Ugo 1st) for humanitarian de-mining in the Eastern Ukraine conflict zone. You can read a bit about it here and see it in action! Our system includes an impulse ground penetrating radar array (1Tx+4Rx) for rapid detection and precise localization of buried objects. Upon detection, the robot automatically halts, and a high-resolution holographic radar is deployed to record images that provide object ID and confident discrimination of mines from clutter (with high probability of detection, and low false alarm rate). Our system also include DGPS, and two real time, 3-D time-of-flight cameras to aid in navigation, and to provide additional visual detection/discrimination of exposed objects or disturbed earth. We are following the principles of Industry 4.0, with systems cooperating and communicating wirelessly under remote (often machine) control. Since we are building using primarily low-cost, commercial off-the-shelf, and 3-D printable parts, we envision not just one Ugo 1st, but a swarm of cyber-physical systems working together to clear vehicle-accessible areas when hostilities cease. Ugo 1st has performed scanning experiments in Firenze, Italy while under control of an operator in Rapperswil, Switzerland, with data processing and image analysis being performed in real time and simultaneously in Lancaster, Pennsylvania, and Kharkiv, Ukraine. We'll be joining you at 3 PM Eastern Time (20 UT), ask us anything! [link] [comments]  |
| How is the date of archeological sites estimated? Posted: 03 Jul 2018 02:14 AM PDT I'm interested in science behind dating Göbekli Tepe in particular, what guarantees that it is older than the pyramids and stonehenge for instance? [link] [comments]  |
| Posted: 03 Jul 2018 05:56 AM PDT |
| Posted: 02 Jul 2018 10:00 AM PDT |
| Posted: 02 Jul 2018 09:52 AM PDT |
| Posted: 03 Jul 2018 05:39 AM PDT A few questions here, but I haven't found a satisfactory answer anywhere. Firstly, I was not aware that light is both reflected and refracted on entering certain media, and an explanation for this would be great as well. Now I really just want to know how these methods provide polarization. How come light is polarized when it is reflected? Why would light be polarized when scattering? In-depth answers are allowed and appreciated. Thank you [link] [comments]  |
| What's stopping planes from being built increasingly larger just by scaling up? Posted: 02 Jul 2018 03:48 PM PDT If I take the largest airliner in the world, and increase every single part of it to be 2x larger, will it still work? It has twice the weight, but but does it have wings that provide twice the lift, and engines that provide twice the thrust? [link] [comments]  |
| What things contribute the most to climate change and why? Posted: 03 Jul 2018 03:17 AM PDT |
| Why are methanol and hexane flammable, while salicylamide and benzhydrol aren't? Posted: 02 Jul 2018 11:18 AM PDT I know that hydrocarbons are necessary for the reaction to take place, but I'm just confused as to what functional groups set these apart. Benzene is flammable, yet contain aromatic rings. What makes benzhydrol that much different from methanol? Thanks in advance. [link] [comments]  |
| Is there any discernible structure in the cosmic microwave background noise? Posted: 02 Jul 2018 09:37 AM PDT |
| Is their any material that allows light to travel only in one direction? Posted: 02 Jul 2018 09:31 AM PDT Like a diode allows electricity to travel in one direction any materials that can do the same for light? If light comes from one side, it allows it to pass, from the other side, it reflects it back [link] [comments]  |
| Posted: 01 Jul 2018 01:07 PM PDT |
| Why do some mosquito bites develop into a splotchy rash, while others stay a neat little bump? Posted: 01 Jul 2018 12:41 PM PDT They're both itchy, but the redness (and size of bumps) can vary wildly. Is the difference based on species, individual specimens, or just my own body reacting inconsistently? [link] [comments]  |
| How do submarines obtain oxygen over long periods of being under water? Posted: 01 Jul 2018 11:49 AM PDT How do submarines hold or obtain oxygen during trips. I know pressure cause the air within the submarine to become more and more compressed, so what happens if the submarine runs out of oxygen for the crew? [link] [comments]  |
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