381 Mobile Nano
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Transcript of 381 Mobile Nano
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COMP 381
18 February
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Evolution of cellphones
http://www.youtube.com/watch?v=hQUt8C4iVKchttp://www.youtube.com/watch?v=hQUt8C4iVKchttp://www.youtube.com/watch?v=hQUt8C4iVKc -
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gowirelessgogreen
Rate of upgradeHazardous materials
Recycling Rates
http://www.gowirelessgogreen.org/http://www.gowirelessgogreen.org/ -
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Age Group Average
Number of
Monthly Calls
Average
Number of
Monthly Texts
All Subscribers 204 357
12 & Under 137 428
13-17 231 1,742
(now- 2,272)
18-24 265 790
25-34 239 331
35-44 223 236
45-54 193 128
55-64 145 38
65+ 99 14
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Mobile access to social networking
Gaming goes mobile consoles $21.4B in 08 to $18.7B in 10 Zynga value $9.3B (more than EA)
http://www.usatoday.com/money/industries/technology/2011-03-01-videogames01_CV_N.htmhttp://www.usatoday.com/money/industries/technology/2011-03-01-videogames01_CV_N.htmhttp://www.usatoday.com/money/industries/technology/2011-03-01-videogames01_CV_N.htm -
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Always able to be reachedHigher expectations of availability?Multi-tasking = not always actively listeningDistractions
Not just texting18% of fatalities due to cell phone useFour times as likely to get in crash using cellWhy is it different than talking to a passenger?distraction.gov
http://www.distraction.gov/content/get-the-facts/facts-and-statistics.htmlhttp://www.distraction.gov/content/get-the-facts/facts-and-statistics.htmlhttp://www.distraction.gov/stats-and-facts/index.htmlhttp://www.distraction.gov/content/get-the-facts/facts-and-statistics.htmlhttp://www.distraction.gov/content/get-the-facts/facts-and-statistics.html -
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Physiological:Chronic relapsing condition characterized by
compulsive abuse and by long-lasting chemical
changes in the brain. Behavioral:
Any act that when abused becomesdetrimental to other areas of life
Same irrespective of the drug
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Noresearchindicating a
chemical changein the brain from anaddiction to technology
Recently:physiologicalchanges
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AbsorptionMood Modification
(Greenfield study: 29%)
ToleranceWithdrawalRelapse
-Dr. Patrick Carnes
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59% in bed53% in the bathroom37% while driving12% in church
47% more likely to check email in middle
of night than get a late night snack
2007 survey
When Technology Addiction Takes Over Your Life
http://www.webmd.com/mental-health/features/when-technology-addiction-takes-over-your-lifehttp://www.webmd.com/mental-health/features/when-technology-addiction-takes-over-your-life -
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Wireless credit card scanningoPay for anything, anywhere, anytimeosquareup
Find and pay for public parking in majorcities
o
Miami, New York Cityobestparking
Purchase ticketsDigital couponsHaiti using cell phones as debit cards
StarbucksElectronic boarding passes
But is the rest of the world still ahead ofus? Why?
https://squareup.com/http://www.bestparking.com/http://www.bestparking.com/https://squareup.com/ -
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NFC (Near Field Communication) Wave, not line of sight
Text paymentDigital wallet
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Use by business to track employeesoTruck Drivers, Delivery, TaxisoCan track location
oInvasion of privacy?
oSafety?
oBusiness control?
Mobile Devices as Marketing ToolsoNo longer need a street address
oFood Trucks
But what about coupons based on location?
http://www.youtube.com/watch?v=jjRbi3NfBrkhttp://www.youtube.com/watch?v=jjRbi3NfBrkhttp://www.youtube.com/watch?v=jjRbi3NfBrk -
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Based onyour calendarandthe location of your cell phoneSoftware recognizes that you are late for ameetingand texts a message to all of the people
who are scheduled to attend
Do you like it?
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Networking Cell phones
Wi-fi
Bluetooth Physical device
GPS
Cards
User-provided Calendar
Messages
Combining
How does increased commercial use impact?
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What do you want to make available?Who do you want to make it available to?How do you turn it on and off?How to indicate who to share with?Sharing with applications?
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Geo-taggingoCell phones
oCameras
oTwitter
oicanstalku
http://icanstalku.com/http://icanstalku.com/ -
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Activism vs slacktivism Does technology increase activism?
Does it help?
Is it a mirage? In the US:
SMS remains the key technology
But needs to take the user to live sites Who is the target? How important?
Over 80% of smartphone/tablet users are registeredvoters
Will YOU give them your phone #?
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What is the difference when youdont know that it is there?
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Creating and using structures on theatomic scale
Uses: Medical Environmental Material
Trends: Greater flexibility and precision at lower
costs
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Feynman: predicted nanotechnology in1959
Drexler: in 1986 posed the threat of
runaway self-replicating nanobots Later disclaimed
Eigler: manipulated individual atoms in
1989
http://www.videovat.com/videos/4115/richard-feynman---theres-plenty-of-room-at-the-bottom.aspxhttp://www.videovat.com/videos/4115/richard-feynman---theres-plenty-of-room-at-the-bottom.aspx -
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Top-down:oStart with something bigoChisel away at itoMake it smaller and
smaller Bottom-up:
o
Start with smaller entitiesoAssemble them into
larger objects
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Factory of mini-atomicmachines: nanobots
Could produce anythingo
Assemblerso Self-replicating Good:
oAvailabilityo
Adaptability Bad (Grey Goo):o Loosed into the environmento Mistakes
http://www.youtube.com/watch?v=MaNs64k_2xwhttp://www.youtube.com/watch?v=MaNs64k_2xw -
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Used electron microscopeMoved Xenon atoms
http://www.youtube.com/watch?v=0wF4f2YadoA -
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More reactiveSmaller particle size, greater proportion
surface atomso30 nm - 5%o10 nm - 20%o3 nm - 50%
Impact of Brownian motion Viscosity increase Inertia decrease
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Structural components with at least one dimension less than100nm
Layers- one dimension in the nanoscale Nanowiresand nanotubesin two dimensions
Nanoparticlesin all three
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Optical devices (40 years!) Computer chips Cutting tools (nanocrystalline) tungsten carbide, titanium carbide,
more erosion-resistant last longer
Self-cleaning glass (2001) Coating of titanium dioxide Uses water to clean With sun, clears grime
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First observed 1991o Nanometres in diameter and several mm or cm longo Mechanically very strong (diamond)o Usage:
o Nanoelectronicso spaceships (weight and structural integrity)
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Formed by self-assembly Usages:
oSemiconductor nanowiresoHigh-density data storage
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Cosmetics, coatings, additivesoSunscreensoPigment in cosmeticsoSolar cellsoBiological tracers
Medical
oAntimicrobial agent to treat wounds,infections
oBurn dressing
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Nanomachines and Nanorobotics Molecular Manufacturing
Nanomedicine Environmental/ Energy Nanoelectronics
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Intelligent nanobots diagnostic devices, contrast agents drug delivery vehicles
Intelligent nanosurgeonso Reconstruct molecular structure of cancer cellso Operate without leaving scars/ complex operationso Cosmetic surgery/ change any physical featureoAlter DNA
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Use intelligent nanobots to:oRebuild ozone layeroClean up oil spills/ other disastersoClean water
Bottom-up method of manufacturingwould result in less pollution
Create non-renewable resources (oil,coal)
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Privacy and Control Nanodivide?
Human enhancement; longevity Military/Weaponry issues
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MIT ISN In 2010, 23% of US
government nanoinvestment spent by DoD
Potential for new biologicaland chemical weapons.
An arms race? Military development in the
civil sector
Is there a problem whennano is used for militaryends?
http://web.mit.edu/isn/index.htmlhttp://web.mit.edu/isn/index.html