Dr Matzger made a co-crystal consisting of two parts of CL-20 and one part HMX.

ECONOMIST: A new hybrid explosive is safer to handle but still powerful

Sometimes two crystalline materials that do not react with each other can be mixed to form a so-called co-crystal.

ECONOMIST: A new hybrid explosive is safer to handle but still powerful

Among the "guest stars" showcased in ConnecTV chat: Keegan Allen of ABC Family's "Pretty Little Liars, " Val Chmerkovskiy of ABC's "Dancing With The Stars: All-Stars, " Apollo Nida of Bravo's "Real Housewives of Atlanta, " Beilee Madison co-star of Billy Crystal's "Parental Guidance, " Chris Rene of Fox's "X-Factor, " Super Bowl XXXIV champion and St.

ENGADGET: ConnecTV adds SocialTV Timeline for mobile, puts chats with stars on a second screen

But Crystal and his co-writers (Lowell Ganz and Babaloo Mandel) aim to get behind the ironic mask of this Yiddish harlequin and reveal the fierce ambition and bitterness that fuel his put-downs.

NEWYORKER: Mr. Saturday Night