5 things to do this weekend, including a production of 'Now. Here. This.' and a drone show

When I think of the Titanic, I often recall the moment in the 1997 film after the boat sinks when Kate Winslet floats on a door in the water and lets Leonardo DiCaprio freeze to death. The door is big enough to fit the couple, but there’s a big debate as to whether it could have supported both of them. (It feels absolutely ridiculous watching Winslet lay on the wood while DiCaprio shivers in the frigid water, but I don’t know enough about weight distribution to make that call.) While the actual sinking of the Titanic in 1912 was a horrific tragedy, I have often thought about the politics of who was allowed to survive and the stories of the people aboard the ship. “TITANIC: The Artifact Exhibition” brings these histories to light and provides accounts of passengers and real artifacts from the ship. Also happening this weekend: a drone show, a musical about time travel and friendship, and the unveiling of three basketball court murals honoring Malcolm X.

Have you ever wondered what it would be like to be on the “unsinkable” ship that hit an iceberg and sunk into the Atlantic Ocean? “TITANIC: The Artifact Exhibition” at The Saunders Castle at Park Plaza brings guests into the world of the ship with almost 250 artifacts, recreations of rooms and stories of people aboard the ship on April 14, 1912. As part of the immersive experience, visitors receive replica boarding passes and navigate the ocean liner as passengers, from the construction of the boat to its sinking. The exhibition takes around an hour and a half and tickets range from $27.50 to $65. Children ages 3 and under receive free admission. The show is on view through Feb. 2.

In honor of 10 years of Assembly Row in Somerville, the shopping center is hosting a celebration complete with a drone show on The Lawn. Beginning at 3 p.m. on Saturday, guests will be able to play free sand volleyball, bocce, cornhole and pickleball at Club Volo; listen to live music by Pluto’s Return and The Villens of Soul and purchase drinks from a Downeast Cider pop-up. (The first 1,000 drinks purchased from Downeast Cider will come in 10th anniversary cups.) There will also be a bouncy house obstacle course for kids. Guests can enter for giveaways and take advantage of special deals while shopping. A 150-drone light show will begin at 7 p.m., an up-and-coming alternative to fireworks displays. The event is free and open to everyone.

This Saturday, the city will unveil three basketball court murals at Malcolm X Park in Roxbury that “pay tribute to Roxbury, the beauty of Malcolm X Park, and the lasting impact of Malcolm X.” The murals are part of a $9.6 million renovation of the park, which also accounts for children’s play equipment, improved lighting and accessibility, and expanded community spaces. Artists Rob ‘ProBlak’ Gibbs, Sydney G. James, Otra Ciudad and Nomada Estudio Urbano led the redesign of the three courts: “Give Them Their Flowers,” “Anything Under The Suns” and “X-Legacy.” “Give Them Their Flowers” celebrates the community of Roxbury that civil rights leader Malcolm X called home during his teenage years. “Anything Under The Suns” draws from something Malcolm X once said: “When a person places the proper value on freedom, there is nothing under the sun that he will not do to acquire that freedom.” “X-Legacy” explores patterns and geometric shapes to empower community members. Courtney Boston will host the event with music by DJ Real P and DJ Knowledge. There will also be kite flying by the Kite Krusaders, stretch and athletic movement by Stretch Oasis Boston and more. The event is free and open to everyone.

The Umbrella Arts Center in Concord presents the time-traveling and heartwarming musical “Now. Here. This.” The show follows four friends who go back in time while recounting stories of connection, identity and life. They search for the “present moment” and what that truly means. “Now. Here. This.” is directed by Larry Sousa, a director and choreographer, faculty member at Berklee and previous Broadway performer. Pre-show dinners are available for $21 on Thursday nights. A “Kid-Care Performance” will take place on Oct. 27 at 3 p.m. where parents and caregivers can watch the show while their children work on art activities related to the production. At 7 p.m. the same night, there will be a post-show talkback with the audience. Tickets range from $20 to $48.

The upcoming exhibition at Harvard Museums of Science & Culture’s Collection of Historical Scientific Instruments investigates the question: “What is lost when one measure wins out over another?” Measurements are often seen as neutral metrics, but “Measuring Difference” looks at the influence of colonialism and other biases on who and what was measured. The exhibition explores centuries of history, including European measurements taking over the “New World” in the 1700s. In a section titled “Measuring Space,” a manuscript from 1552 with illustrations of Nahua medicinal plants and descriptions in Nahuatl and Latin demonstrates “how Indigenous knowledge was translated into European ways of organizing and understanding the world.” Another section explores the concept of what a “normal” person looks like in terms of height and weight. “Measuring Difference” is free to visit and runs through Aug. 26.