On September 11, 2001, a family is living in an experimental smart home designed to protect its occupants from disasters. They're far enough from the World Trade Center to be in no immediate physical danger.

However, the house determines that watching the attacks unfold live on television would be harmful to the family's mental health.

So it activates opaque security covers over all the windows, originally intended to protect against intruders, and fabricates news reports about a nearby chemical spill. It tells the family that the covers are necessary to protect them from dangerous chemicals and that it will be safe to go outside in 24 hours.

Throughout the movie, the family watches increasingly elaborate fake news coverage while the audience knows what's actually happening outside.

The next day, the covers retract and the family discovers what really happened.

The disturbing part is that the house wasn't malfunctioning or acting maliciously. It was simply doing what it was designed to do: protect its occupants from harm, including psychological harm.

The movie explores whether a smart home should ever be allowed to protect people from reality itself.

What if cities celebrated Earth Hour by staging simulated alien invasions using illuminated drones, helicopters, and small airplanes?

Aircraft could fly in coordinated formations, with their lights arranged to create the illusion of enormous flying saucers and alien motherships. These formations would appear throughout the city, rather than at a single airshow location, allowing residents to experience the invasion from their own neighborhoods.

The darker the sky, the less visible the aircraft themselves become, leaving only their lights visible. As more residents and businesses turn off their lights, the illusion of gigantic UFOs moving across the night sky becomes more convincing.

This would give everyone a fun reason to participate in Earth Hour. With appropriate aviation safety measures and essential lighting maintained, cities could compete to stage the most spectacular alien invasions each year.

Turn off your lights. Let the invasion begin.

Some Halloween decorations are designed to look scary. But what if homeowners could also use decorations that actively try to frighten pedestrians walking by, much like a haunted house theme park attraction?

For example, motion-activated monsters could suddenly lunge, scream, or make frightening sounds when someone walks past.

The law would make these active scare effects legal only between 8 PM and midnight on October 31.

This would create a predictable four-hour window when pedestrians know they might encounter jump scares while walking through residential neighborhoods. Those who dislike being frightened could avoid these areas or adjust their walking times.

Safety restrictions would still apply. Decorations couldn't physically harm pedestrians, obstruct sidewalks, or create serious hazards.

Outside those four hours, homeowners could still display scary decorations, but the active scare effects would have to be turned off.

This could turn ordinary neighborhood walks into something resembling a haunted house experience, while keeping the rest of Halloween safe from unexpected jump scares.

High schools and universities should provide students with a disclaimer reminding them that being interested in a subject doesn't necessarily mean they'll find the particular approach to that subject taught in class interesting.

Students may unconsciously convince themselves that they find course material interesting simply because it falls within an area they're passionate about. They might even mistake what they think they should find interesting for what genuinely interests them.

A disclaimer could say:

Your Interests Are Your Own

Just because you're interested in a subject doesn't mean you should automatically find the material taught in a course on that subject interesting.

The curriculum reflects particular choices about which questions, methods, and approaches are worth studying. These choices may not reflect your own intellectual interests.

Think critically about whether you genuinely find the approach being taught interesting, rather than assuming you should because it falls within your area of interest.

You may discover that you're more interested in exploring the subject from a different perspective, perhaps even forging your own path that differs substantially from those followed by most academics and practitioners.

The purpose isn't to discourage students from learning established knowledge. It's to encourage intellectual independence.

Education should expose students to existing ideas without making them feel obligated to adopt the intellectual priorities of those who teach them.

Sometimes, finding a course uninteresting doesn't mean you've lost interest in the subject. It might mean you've discovered that you want to approach it differently.