skyscraper game

This looks pretty cool – an iPhone game for kids that lets them look inside a skyscraper.

In a few light swipes and taps, users “create” a made-up skyscraper by adding floors and choosing the color of the facade. On the app’s sidebar, select a tiny I-beam button to play a game where adding boulders, elephants, and sailboats sinks your building deep and lopsided into its foundation. An elevator icon takes you to an interactive view of interior life—families in their kitchens, watching television, tiptoe-ing through bedrooms. The details are incredibly ornate, especially in another mode, accessed by clicking on a little water drop, where you clog toilets and set fires on different floors. Watch how the building (which gets an anthropomorphic touch) reacts. They say if walls could talk…

Problems just keep backing up.
(Screenshot of “Skyscrapers” by Tinybop)

With virtually no text, the app invites you to play by intuiting through touch and iconography. Youngsters, presumably raised on the logic of iPhones, are the audience targeted by the app’s developer, Tinybop. “Skyscrapers” is the seventh in Tinybop’s “Explorer’s Library,” series, which “introduces kids to STEAM topics they learn about in school,” according to a spokesperson.

I looked at the Explorer’s Library and they have a number of cool simulation apps for kids, like plants, the human body, and weather. I think I might start with one of those rather than a skyscraper. I am always on the lookout for a really good ecosystem simulation for kids.

Sense what is using electricity in your home

This is pretty cool – a device that can learn the patterns and measure the electricity use of individual appliances in your home, all just from being plugged into your fuse box.

The company says it can accurately disaggregate 80 percent of home energy use; it can do things like detect a microwave oven through its very specific startup and operating power “signature,” or sense a washing machine thanks in part to subtly increasing demand on the motor as the drum fills with water. As it identifies garage door openers, toasters, microwave ovens, washing machines, heaters, and refrigerators, it displays them on an app as a newsfeed and a series of labeled bubbles.

Sense—founded by speech-recognition veterans whose technology ended up in Samsung’s S-Voice and Apple’s Siri—consists of a box about the size of an eyeglasses case installed inside or next to an electrical service panel. Two inductive current sensors sense current, and two cables power the box and sense voltage. The box does some onboard processing, and then uses Wi-Fi to send data to the cloud for further analysis and aggregation with data from other users to improve its accuracy.

the party platforms on nuclear weapons

Yesterday I suggested a realistic path to elimination of U.S. nuclear weapons – phasing out of everything but submarine-launched weapons as they become obsolete, renewed participation in global nonproliferation efforts, negotiations with other nuclear powers to give up their weapons in exchange for elimination of the submarine weapons, then finally robust inspections and verification. Let’s see what the U.S. political party platforms have to say.

The Republican Platform:

We must modernize nuclear weapons and their delivery platforms, end the policy of Mutually Assured Destruction, and rebuild relationships with our allies, who understand that as long as the U.S. nuclear arsenal is their shield, they do not need to engage in nuclear proliferation.

The Democratic Platform:

Democrats are committed to preventing the spread of nuclear, chemical, and biological weapons and to eventually ridding the planet of these catastrophic weapons. We believe America will be safer in a world with fewer weapons of mass destruction. Donald Trump encourages the spread of nuclear weapons across Asia and the Middle East, which would weaken the Treaty on the Non-Proliferation of Nuclear Weapons (NPT), and he is unwilling to rule out using a nuclear weapon against ISIS.

Democrats want to reduce the number of nuclear, chemical, and biological weapons around the world, as well as their means of delivery, while retaining a strong deterrent as long as others maintain nuclear strike capabilities. We will strengthen the NPT, push for the ratification of the Comprehensive Nuclear-Test-Ban Treaty, and stop the spread of loose nuclear material. Democrats will be informed by a new Nuclear Posture Review in determining continued ways to appropriately shape our nuclear deterrent, with the aim of reducing our reliance on nuclear weapons while meeting our national security obligations. Democrats will also seek new opportunities for further arms control and avoid taking steps that create incentives for the expansion of existing nuclear weapons programs. To this end, we will work to reduce excessive spending on nuclear weapons-related programs that are projected to cost $1 trillion over the next 30 years.

The Green Platform:

Our government should establish a policy to abolish nuclear weapons. It should set the conditions and schedule for fulfilling that goal by taking the following steps:

  • Declare a no-first-strike policy.
  • Declare a no-pre-emptive strike policy.
  • Declare that the U.S. will never threaten or use a nuclear weapon, regardless of size, on a non-nuclear nation.
  • Sign the Comprehensive Test Ban Treaty (CTBT). Our pledge to end testing will open the way for non-nuclear states to sign the Non-Proliferation Treaty (NPT), which has been held up by our refusal to sign the CTBT. Honor the conditions set in the NPT for nuclear nations.
  • Reverse our withdrawal from the Anti-Ballistic Missile Treaty and honor its stipulations.
  • End the research, testing and stockpiling of all nuclear weapons of any size.
  • Dismantle all nuclear warheads from their missiles.

The Libertarian Platform

No individual, group, or government may initiate force against any other individual, group, or government.

The protection of individual rights is the only proper purpose of government. Government is constitutionally limited so as to prevent the infringement of individual rights by the government itself. The principle of non-initiation of force should guide the relationships between governments.

We support the maintenance of a sufficient military to defend the United States against aggression. The United States should both avoid entangling alliances and abandon its attempts to act as policeman for the world.

I suppose I like the Green statement best, but I am enough of a realist to suggest we establish moral authority by eliminating most of our weapons, but could keep a small number of submarine-based weapons in place and use them as a bargaining chip to get concessions from others. I am also enough of a realist that unless and until we have some sort of runoff or ranking-based voting, I’ll vote for the best candidate with a reasonable chance of winning. That pretty much leaves me supporting the Democrats’ somewhat tepid but basically on-target message. Getting defense-industry money out of politics would make it more likely that a Democratic leader could actually make real progress toward implementing their rhetoric.

Bill Perry on today’s nuclear threat

Bill Perry, who was secretary of defense under Bill Clinton, has released a new book called My Journey at the Nuclear Brink – here’s an article at New York Review of Books. He was present at the front lines through a number of historic events, from Hiroshima to the Cuban missile crisis to development of submarine-launched missiles to efforts to secure weapons following the Soviet collapse. I’ll pick a short excerpt below but this whole article is really worth a read.

…Perry concluded that there could be no acceptable defense against a mass nuclear attack, an opinion from which he has never deviated. Many political leaders, including several presidents, have disagreed with Perry and have sponsored various types of anti-missile defense systems, the latest being the ballistic missile defense system now being installed in Eastern Europe.

Then as now, Perry writes, he believed that America would possess all the deterrence it needs with just one leg of the so-called triad: the Trident submarine. It is very difficult for armies to track and destroy it, and it contains more than enough firepower to act as a deterrent. The bombers provide only an insurance policy for the unlikely contingency of a temporary problem with the Trident force, and also have a dual role in strengthening our conventional forces. Our ICBM force is in his mind redundant. Indeed the danger of starting an accidental nuclear war as a result of a false alarm outweighs its deterrent value.

…nuclear weapons can’t actually be used—the risk of uncontrollable and catastrophic escalation is too high. They are only good for threatening the enemy with nuclear retaliation. Our submarine force, equipped with nuclear weapons, is virtually invulnerable and can perform that deterrent function well. (It should be noted that the doctrine of deterrence is severely criticized by those who worry about the implications of threatening mass slaughter.)

He talks about how there was a brief period of good will and cooperation between the U.S. and Russia after the dissolution of the Soviet empire, when the former adversaries cooperated on weapons reductions, securing of loose weapons, and the conflict in the Balkans. That all ended when the U.S. insisted on expanding NATO “right up to the Russian border”, which Perry considers a huge mistake. He also talks about the catastrophic fallout from an India-Pakistan nuclear exchange, and the risk of nuclear terrorism in a U.S. city like Washington D.C.

This article suggests a couple clear policies. One is that the U.S. could unilaterally eliminate all its nuclear weapons right away except for the submarine force. This would actually reduce risk for our country and the entire world. If our leaders don’t have the courage to do this tomorrow, they could at least cancel “modernization” plans for all but the submarine force, and phase weapons out as they become obsolete. This would give us the moral high ground when we insist somewhat hypocritically on nuclear nonproliferation for everyone else. The final step would be to negotiate with other nuclear powers to eliminate their weapons in exchange for elimination of the U.S. submarine weapons, with a robust worldwide inspection and verification program.

This would save tens of billions of dollars every year, some of which could be invested in homeland security and intelligence to counter the terrorist threat, and some of which could be invested in infrastructure or education or tax cuts. I see no logical argument against any of this.

July 2016 in Review

3 most frightening stories

  • The financial crisis triggered by U.S. banks in 2008 may have been a major factor behind a resurgence of right-wing politics in Europe.
  • Household chemicals may have adverse effects on the developing brain, including a contribution to the risk of “neurodevelopmental disorders that affect the brain and nervous system including autism, attention deficit hyperactivity disorder, intellectual disabilities, and other learning and behavioral disabilities”.
  • The CIA is just not that good at spying.

3 most hopeful stories

  • There are new tools for considering ecosystem services and biodiversity in development decisions.
  • Uber Pool could be a game changing technology that ushers in a new kind of flexible transportation system.
  • The problems of a civilization in overshoot can seem overwhelming, but one thing you can do is convert your lawn to a sustainable ecosystem. Moss is an option. Also related to this, some ecologists are paying more attention to soil.

3 most interesting stories

  • I was a little side-tracked by U.S. Presidential politics. Nate Silver launched his general election site, putting the odds about 80-20 in favor of Hillary at the beginning of the month. The odds swung toward Trump over the course of the month as the two major party conventions took place (one in my backyard), but by the end of the month they were back to about 70-30 in favor of Hillary. During the month I mused about NAFTA, the fall of the Republic, the banana republicThe Art of the Deal, how to debate Trump, and Jon Stewart,
  • It’s really okay to cook pork chops medium rare.
  • It’s really hard to predict earthquakes. Many scientists think it is impossible, but once upon a time they thought that about predicting weather.

forests as a carbon source?

This journal article talks about the possibility of a disturbing situation where climate change starts to kill trees, which are then no longer able to absorb carbon dioxide, which causes more climate change, and so on in an accelerating feedback loop.

Trees Can Limit Climate Change—Unless It Kills Them First

Scientists have considered forests a potential barrier to climate change, since plants on land take up about 25 percent of our carbon dioxide emissions. As trees in colder areas are exposed to warmer temperatures and more CO2 emissions, they will grow faster and absorb more emissions, helping to mitigate the effects of a primary greenhouse gas, the theory goes.
But, in an alarming twist, global warming is likelier to limit forests’ capacity for absorbing emissions in many parts of the continent, a study released today in the journal Ecology Letters finds. After combining climate projections with the tree records, researchers found no evidence for the boreal greening hypothesis. In fact, they found a risk of a negative feedback loop, as trees in their model reacted poorly to warmer temperatures due to drought and other disturbances.
That means as trees die faster than they can take up CO2 emissions, releasing trapped carbon, forests could become a net source of carbon, accelerating climate change. The study found that we could reach such a tipping point as early as 2050.

transportation megaprojects exceed cost estimates by 28%

According to this Danish study, worldwide transportation “megaprojects” exceed their projected costs by an average of 28%.

  • In 9 out of 10 transportation infrastructure projects, costs are underestimated.
  • For rail projects, actual costs are on average 45% higher than estimated costs (sd=38).
  • For fixed-link projects (tunnels and bridges), actual costs are on average 34% higher than estimated costs (sd=62).
  • For road projects, actual costs are on average 20% higher than estimated costs (sd=30).
  • For all project types, actual costs are on average 28% higher than estimated costs (sd=39).
  • Cost underestimation exists across 20 nations and 5 continents; it appears to be a global phenomenon.
  • Cost underestimation appears to be more pronounced in developing nations than in North America and Europe (data for rail projects only).
  • Cost underestimation has not decreased over the past 70 years. No learning that would improve cost estimate accuracy seems to take place.
  • Cost underestimation cannot be explained by error and seems to be best explained by strategic misrepresentation, i.e., lying.
  • Transportation infrastructure projects do not appear to be more prone to cost underestimation than are other types of large projects.

Big Bertha

The problems for Seattle’s “Bertha” tunnel boring project are continuing according to the Seattle Times.

Tunnel-machine Bertha’s two-year breakdown will further delay the Highway 99 tunnel’s grand opening until 2019 and saddle Washington state with an estimated $223 million in cost overruns, lawmakers were told Thursday…

A 2019 opening would mark a full decade since former Gov. Chris Gregoire chose the deep-bore tunnel option and lawmakers approved the tunnel bill sponsored by then-Sen. Ed Murray, now Seattle mayor. Gregoire dismissed critics such as then-Mayor Mike McGinn, who warned that a clause in the bill put Seattle taxpayers at particular risk for paying for overruns…

The extra costs almost certainly would be paid by the state’s drivers in gas taxes, more transportation-fund debt, or by tolls and fees.

Tunneling is a key technology for the future of urban infrastructure. But the experience in Seattle illustrates the risk that the technology entails. It is one thing for state and federal governments to undertake this risk under the oversight of elected officials, and another for state and federal governments to put pressure on local governments and utilities to undertake these types of massive projects, as is common in the water quality and flooding arena. A tunneling project that goes well can indeed often reduce pollutant discharges or flooding at an attractive unit cost, but the costs can mount quickly when a project does not go well. Luckily, that happens only when we do not know in advance precisely what we are going to find underground every step of the way under a city that has been around for a couple hundred years (in other words, always). Tunneling is an alternative that should almost always be looked at. Green infrastructure should be looked at too and considered seriously on its merits as an engineering infrastructure technology that can have multiple benefits for the citizens, taxpayers and ratepayers of urban areas.

U.S. Muslims: Facts and Figures

This article from The Week has some interesting facts and figures on U.S. Muslims.

The Pew Research Center estimates that 3.3 million Muslims live in the U.S., which makes Islam the nation’s third-largest faith, behind Christianity and Judaism. It’s a diverse population primarily divided among African-Americans, South Asians, and Arabs, and a well-educated one: About 40 percent of U.S. Muslims hold college degrees, as opposed to 29 percent of Americans overall. Though Muslims represent 1 percent of the population, they account for 10 percent of the nation’s physicians…

As many as 30 percent of Africans enslaved in the U.S. were Muslim. In the late 19th and early 20th centuries, Muslim immigrants arrived from Turkey, Syria, and Lebanon, largely settling in the Midwest; later waves came from Bosnia, Albania, and other parts of Europe. In the 1960s, the Muslim population began to swell as the government lifted immigration quotas and many African-Americans began converting to Islam. Muslim immigration surged at century’s end — 45 percent of today’s Muslim-Americans arrived after 1990; between 1994 and 2011 the number of U.S. mosques more than doubled, from 962 to 2,106…

More than 80 percent of U.S. Muslims expressed satisfaction with life in America, and 63 percent said they felt no conflict “between being a devout Muslim and living in a modern society.” About 70 percent of Muslim immigrants go on to become U.S. citizens, compared with 50 percent of other groups, and almost 6,000 Muslims serve in the U.S. armed forces. Most of the tips about radicalized Muslims in the U.S. come from the Muslim community itself, the FBI says…

Time Magazine’s 100 Best Non-Fiction Books

Yes, Time Magazine has a list of what it thinks are the 100 best all-time nonfiction books. There is a fair amount here that documents the history of the 20th century as it was unfolding, which would be interesting to read. It is a fairly politically left-leaning (e.g., Howard Zinn), pro-science (E.O. Wilson) list, although they do throw in Milton Friedman and Barry Goldwater for good measure. It appeals to that small part of me that wants to retire, abandon my family, and just read from now on.